876 Results for

Security Specialist Jobs in Alexandria, VA

Jobs

New!

UNAVAILABLE, DC5 days ago

Full-time
Employee

Review system configuration and network service change requests to ensure only approved network services are configured for additions (new services), modifications to existing services, and discontinuation of services. Our talented employee-owners provide agile, scalable services and solutions that solve operational gaps, operate critical systems, and protect and secure the enterprise – across the organization and around the world.

New!

Chantilly, VA1 day ago

Experience with any of the following tools: Grafana, Prometheus, influxdb, Postgres, CDK (Cloud Development Kit), Cloud formation, Ansible, GIT (Global Information Tracker), Active Directory, Networking, GRE (Global Accelerator Resolvers & Endpoints), EKS (Elastic Kubernetes Service), RDS (Relational Database Service), Lambda, IAM (Identity and Access Management). Tool familiarity: Grafana, Prometheus, influx DB, Postgres, CDK (Cloud Development Kit), Cloud formation, Ansible, GIT (Global Information Tracker), Active Directory, Networking, GRE (Global Accelerator Resolvers & Endpoints), EKS (Elastic Kubernetes Service), RDS (Relational Database Service), Lambda, IAM (Identity and Access Management).

Rockville, MD12 days ago

Full-time
Employee

Depending on experience, the Contract Specialist may independently lead complex acquisitions, support negotiation efforts, and mentor junior staff to ensure consistent and compliant contracting practices across the organization. Develop, review, and coordinate acquisition documentation, including Statements of Work (SOW), Independent Government Cost Estimates (IGCE), Justifications and Approvals (J&A), Acquisition Plans (AP), and complete acquisition packages.

New!

Chantilly, VA1 day ago

The ideal candidate will have experience with systems modeling in tools like Cameo, microservice architecture and its application in software systems, and the ability to work collaboratively with cross-functional teams to deliver scalable and secure cloud solutions. Graduate Degree and a minimum of 4 years of prior related experience in Computer Science, Information Technology, Systems Engineering, Software Engineering or a related field.

New!

Herndon, VA1 day ago

With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs.

New!

Germantown, MD4 days ago

$130,000–$150,000 Per Year

GIAC Certified Intrusion Analyst (GCIA), GIAC Certified Incident Handler (GCIH), Certified Information System Security Professional or Associate (CISSP or Associate), ISC2 Certified Information Security Manager (CISM), Certified Information Systems Auditor (CISA), Project Management Professional (PMP), Certified Associate in Project Management (CAPM). A Cybersecurity Lead will develop project management plans such as Work Breakdown Structure, mentor and guide team members on the preparation of technical deliverables and resolve project issues, prepares progress/status reports on technical deliverables, and monitor contractual requirements bringing in help from outside the project as needed to mitigate risks.

New!

Herndon, VA1 day ago

$92,500–$171,500 Per Year

With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. The candidate will need to work independently to resolve a wide range of engineering problems, requiring collaboration with all required disciplines (mechanical, optical, electrical, software, etc.).

New!

Springfield, VA1 day ago

The successful candidate will support a high performing team of Government and Contractor professionals by testing software releases to ensure they function correctly, documenting failed test cases, and documenting any changes or updates needed to existing procedures. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Manassas, VA29 days ago

$46–$48 Per Hour
Temporary
Contractor
Full-time

While an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. Our dedicated CWL and MTWS team collaborates closely with the Navy, internal production teams, and industry partners to ensure the flawless delivery and operation of these critical systems in laboratory and submarine environments.

Reston, VA18 days ago

Full-time
Employee

Laurel, MD11 days ago

$85,000–$195,000

Are capable of managing and coordinating day-to-day operations of DCSA Approved Areas, to include scheduling, controlling access lists, troubleshooting facility systems, oversight and maintenance of general housekeeping, and overall system maintenance oversight. Manage, plan and oversee day-to-day operations of Closed Areas, to include scheduling, controlling access lists, lock combination changes, oversight of general facility housekeeping, and other compliance-related activities.

New!

Bethesda, MD4 days ago

Remote

$18–$18 Per Hour

Analytical and interpretive skills Strong organizational skills Good interpersonal skills Ability to multitask in a fast-paced environment Ability to support multiple clients across communication channels and utilize multiple systems simultaneously Ability to work in a team environment and/or independently. The Service Center Representative expedites the claims process and provides detailed claim notes on all calls; as well as resolves issues and directs calls to an appropriate escalation path as needed.

New!

Stafford, VA2 days ago

Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Construction Management and 14+ years of relevant experience or an equivalent engineering science degree *OR * 18 years of related construction management experience *in lieu* of a degree. -10+ years of relevant experience *constructing *electrical engineering systems including large scale power distribution/generation gear and constructing mechanical engineering systems including cooling systems.

New!

Odenton, MD3 days ago

$154,050–$278,475

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. May 8, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

MD21 days ago

Ideal applicants have hands-on experience in roles such as Facility Security Officer (FSO), Special Security Officer (SSO), Certified SCIF Security Officer (CSSO), Site Security Representative (SSR), or Government SAPF Security Officer (GSSO). Minimum five (5) years of experience supporting SCIF or SAPF security programs, including the ability to independently conduct security administration, self-inspections, and government accreditation inspections without guidance or training.

MD21 days ago

Support facility security management duties including but not limited to key / control management, facility security inspections and assessments, alarm response including implement receipt/dispatch as applicable, and maintaining Intrusion Detection System and other facility security systems operability. The Junior SS shall monitor and control access to facility(s) and restricted areas under their responsibility by checking personnel passes, Common Access Cards (CAC) and validating security clearances utilizing DISS or other security database systems and visit requests.

Washington, DC21 days ago

Security Specialist II - Risk Assessment Specialist will perform additional security duties as required to meet the SOC's operational needs, including, but not limited to attending meetings; providing information to internal and external requests; conducting security-related research; conducting personnel interviews; initiate and review completed eApp forms; and information gathering and exchange via telephone, internet, and mail. Security Specialist II - Risk Assessment Specialist compiles and maintains accounting and accurate data of FCC contractor population, contracting vendors, and FCC CORs to maintain accurate information in the personnel management case system.

Washington, DC21 days ago

Security Specialist III perform additional security duties as required to meet the SOC's operational needs, including, but not limited to attending meetings, providing responses to internal and external requests, conducting security‑related research, conducting personnel security interviews, and information gathering and exchange via telephone, internet, and mail. Security Specialist III - Personnel Security Adjudication Specialist adjudicate government background investigations for individuals requiring a suitability, fitness, and/or national security determination.

Reston, VA14 days ago

Cage Code, Facility Clearance and safeguarding level within the Defense Security Service Industrial Security Facility Database for industry, performing liaison between client and industry partners to ensure compliance of security requirements within the Statement of Work, DD-254 and addendums. Assisting the Contracting Officer, Contracting Officer Representatives and Industry (Director of Security and Facility Security Officers) to accurately prepare and submit DD Form 254s, and provide security guidance as required.

Arlington, VA30+ days ago

Description: The International Security Specialist (ISS) is multidisciplinary individual, with security expertise in Special Access Program Facility (SAPF) Security Operations; Personnel Security (PERSEC), Information Security (INFOSEC), Communication Security (COMSEC), Physical Security (PHYSEC), and Cybersecurity (CYBER) operations. ISS provide CONUS and OCONUS international security support to our Partner and Foreign Military Sales (FMS) countries with expert advice in all security functional areas allowing our Partner and FMS countries to enter multibillion dollar defensive partnerships with the United States.

Washington, DC21 days ago

Security Specialist I perform additional security duties as required to meet the SOC's operational needs, including, but not limited to attending meetings; providing information to internal and external requests; conducting security-related research; updating data in the personnel management case system; and information gathering and exchange via telephone, internet, and mail. Tracking all individuals who have; 1) been processed for an HSPD-12 credential, and 2) have received a "temp" badge, as well as the status of files sent to the HSPD-12 central badging office (GSA/USAccess), or who were scheduled for badge processing, but for any reason were not provided a badge.

New!

Washington, DCToday

The Program Security Specialist provides comprehensive support to Special Access Programs (SAPs) by administering physical, personnel, classified, industrial, and communications security functions in compliance with DoDM 5205.07 and NPR 1600.2B. Perform classified management control, serving as SAP Accountability Officer (SAO), managing TS material accountability systems, and supporting secure communications.

Camp Springs, MD30+ days ago

The Security Specialist / Application Security Lead provides expert application security leadership, ensuring secure software delivery through integrated security controls, vulnerability management, and Zero Trust architecture implementation. This role leads Security Engineers and Security Champions in embedding security throughout the software development lifecycle and collaborates with the DevSecOps Lead to implement automated security testing in CI/CD pipelines.

New!

Quantico, VAToday

The Senior Security Specialist / Program Manager leads daily security and access control operations while providing program oversight and hands‑on support in a high‑security federal environment. Must have knowledge of a variety of computer software applications in word processing, spreadsheets, database, (MSWord, Excel, Access, PowerPoint), and Outlook.

Fort Belvoir, VA27 days ago

Full-time

This job is with Encode, Inc a fully owned subsidiary of Lancesoft Cyber Security Specialist (Information Security Analyst - SME) Active Secret Clearance Required Preferred location for all roles is Ft. Belvoir, VA Local candidates preferred but open to remote. • Possession of Security+ or equivalent • NIST Cybersecurity Framework; • Incident Response Operations At Encode, we believe that our employees are our greatest asset, and we are committed to fostering a supportive and inclusive work environment.

Fort Belvoir, VA30+ days ago

Implements the Defense (DOD) Risk Management Framework (RMF) and assists the Information System Security Manager (ISSM) to ensure successful implementation of associated security controls and reviews all RMF documentation packages, and system fielding, operations, or upgrade requirements. Evaluates and conducts top level system architecture design, development, integration, testing, installation, and troubleshooting efforts from a cybersecurity viewpoint to ensure integration of all required cybersecurity products and adequacy of the analyses.

New!

Arlington, VAToday

Full-time

Additionally, the specialist serves as the Alternate Continuity of Operations (COOP) Program Manager and the DIU Site Security Control Officer (SSCO), responsible for conducting senior-level briefings, performing security inspections, and managing technical access systems such as DISS and SIPRNet to ensure the protection of Department of War assets and mission continuity. As the Department’s gateway to leading technology companies across the country, DIU is focused on rapid prototyping, fielding, and scaling of commercial solutions that can save lives, lead to new operational concepts, increase efficiency, and save taxpayer dollars.

New!

Arlington, VA6 days ago

Aether Aerospace is seeking an experienced Personnel Security (PERSEC) Specialist to join our team and contribute to our success in maintaining technological superiority through protecting the Government's most advanced technologies from adversarial compromise. The Personnel Security (PERSEC) Specialist will provide personnel security support to programs that require Special Access Program Facilities (SAPF) in accordance with the NISPOM and DOD 5205.07,

New!

Arlington, VA6 days ago

HERNDON, VA30+ days ago

Responsible for developing & monitoring assigned department budget and risk management efforts directly supporting DoD Enterprise infrastructure and infrastructure IT goals and projects in support of the ALTESS Facilities Security Officer (FSO). Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio; including Software and Red Hat.

National Maritime Intelligence Center, MD30+ days ago

Additional qualification information can be found from the following DON DCIPS policy website: https://flankspeed.sharepoint-mil.us/sites/NIA/Shared%20Documents/Forms/AllItems.aspx?id=%2Fsites%2FNIA%2FShared%20Documents%2FNIA%20N1%20CHCO%20Library%2FDCIPS%20Policy%2FDON%20DCIPS%20CH%205%20Employment%20and%20Placement%2Epdf&parent=%2Fsites%2FNIA%2FShared%20Documents%2FNIA%20N1%20CHCO%20Library%2FDCIPS%20Policy Specialized experience must demonstrate the following: Schedule and conduct inspections of Sensitive Compartmented Information Facilities (SCIFs) to assess adequacy of security capabilities and ensure protection of classified information and controlled items; Plan, coordinate, and deliver training on the handling and protection of Sensitive Compartmented Information (SCI) material for assigned personnel; Review interrelated security programs to develop and implement policies and procedures covering multiple security related areas for use throughout an organization.

New!

Quantico, VA5 days ago

Full-time

Requirements: Active Top Secret clearance (SCI eligible) Minimum 3+ years of experience in security-related work (personnel, physical, or industrial security) Experience supporting clearance processing, background investigations, or security tracking Strong attention to detail and ability to manage multiple cases Strong written and verbal communication skills Proficiency with Microsoft Office (Excel, Word, PowerPoint) Duties and Responsibilities will include, but are not limited to the following: Manage and track personnel security cases, including background investigations and clearance processing Initiate and monitor investigations using government systems (e.g., NBIS or similar) Coordinate with the FBI Security Division and other stakeholders to obtain the required information Maintain accurate records and track the status of personnel undergoing clearance processes Provide regular updates and reports on case progress and overall metrics Conduct or coordinate security briefings and debriefings Support visitor processing and access control activities as needed Assist with documentation, data entry, and system updates in secure databases Communicate with field offices and internal teams regarding security requirements Help ensure compliance with all security policies and procedures Support the team in maintaining smooth day-to-day operations What Success Looks Like Clearance processes are tracked accurately and move efficiently Strong coordination with FBI security personnel Timely updates and clean documentation Minimal errors in case tracking and reporting Why This Role Matters: This role is critical to ensuring that personnel are properly vetted and cleared, directly supporting secure FBI operations and mission readiness.#CB The Security Specialist plays a key role in personnel security and clearance processing, working closely with FBI security teams to manage investigations, track statuses, and ensure compliance.

New!

Quantico, VAToday

The Security Specialist also delivers impactful security briefings and debriefings, maintains accurate clearance records, and provides responsive, high‑quality customer service in a fast‑paced, security‑driven environment. The Security Specialist plays a critical role in supporting mission-focused operations by managing and coordinating security clearance activities for private sector personnel.

Washington, DC30+ days ago

Personnel Security Specialists will process security clearances by collecting, reviewing, submitting, and tracking required documentation. Knowledge of maintaining personnel security records, databases, and tracking systems (e.g., JPAS, DISS, or local equivalents).

Washington, DC30+ days ago

The Physical Security Specialist is responsible for designing, implementing, and maintaining security measures for Sensitive Compartmented Information Facilities (SCIFs). The Physical Security Specialist will conduct routine inspections, assessments, and audits to verify SCIF integrity and compliance.

Fort Belvoir, VA30+ days ago

Identify and ensure visitors are properly cleared with a need-to-know prior to granting access to DTRA facilities or local area networks by issuance of the appropriate DTRA badge, Common Access Card (CAC) or identification. + Provide accurate and analytical establishment, maintenance, review, receipt, accountability, transmission, reproduction, storage, safeguarding, and destruction of collected personal history, case files, data entry, records, files, and reports according to PERSEC policy and procedures.

Arlington, VA30+ days ago

$85,000–$95,000 Per Year

If you are an individual with a disability, or have known limitations related to pregnancy, childbirth, or related medical conditions, and would like to request a reasonable accommodation for any part of the employment process, please contact us at job-assist@akima.com or 571-353-7053 (information about job applications status is not available at this contact information). At RiverTech, the work you do every day makes a difference in the lives of our 15,000 Iñupiat shareholders, a group of Alaska natives from one of the most remote and harshest environments in the United States.

Reston, VA21 days ago

$85,000–$145,000 Per Year

S2Technologies is actively seeking a Senior Security Specialist to provide physical and personnel security services to the Science and Technology Directorate's Office of Space and Counterspace (SCS). Experience preparing, maintaining, and submitting security paperwork; knowledge of ICD 705, DoDD 5205.07, and related directives required.

Reston, VA30+ days ago

$85,000–$145,000 Per Year

S2Technologies is actively seeking a Senior Security Specialist to provide physical and personnel security services to the Science and Technology Directorate's Office of Space and Counterspace (SCS). Experience preparing, maintaining, and submitting security paperwork; familiarity with ICD 705, DoDD 5205.07, and related directives required.

Reston, VA30+ days ago

$75,000–$135,000 Per Year

S2Technologies is actively seeking a Senior Security Specialist to provide physical and personnel security services to the Science and Technology Directorate's Office of Space and Counterspace (SCS). Experience preparing, maintaining, and submitting security paperwork; familiarity with ICD 705, DoDD 5205.07, and related directives required.

Ft. Meade, MD21 days ago

This individual shall support the Personnel Security Division in assessing, validating, and certifying the trustworthiness of DIA and designated DoD-affiliated personnel for clearance access to Sensitive Compartmented Information (SCI) through case management, adjudication, to include due process in an accurate and timely manner. • Familiarity and experience utilizing Scattered Castles, eQIP, JPAS, JVS, DCII, and CVS; initiating and scoping, T5R background investigations; use of DPRIS, OPM Portal; performing National Agency Checks and Credit Checks.

Chantilly, VA30+ days ago

Full-time

Implement extensive investigative and interviewing techniques and expertise in adjudication procedures to effectively conduct complex CI and Security inquiries, analyze complex records, security files, datasets, reports and investigations to determine way forward; while conducting vetting, make sound and professional referrals to management for internal coordination. Other Security positions include polygraph examiners, program security officers, counterintelligence officers, insider threat specialists, classification management officers, cyber security specialists, and physical security officers.

New!

Washington, Washington, DC6 days ago

The specialist is expected to evaluate security solutions to ensure they meet security requirements for processing up to classified information, and supervise and/or maintain the operational security posture for an information system or program. The specialist should demonstrate a working knowledge of the Risk Management Framework (RMF) process and/or include prior experience with the Defense Information Assurance & Certification Accreditation Process (DIACAP).

New!

Washington, Washington, DC6 days ago

Chantilly, Virginia13 days ago

$190,000–$210,000 Per Year

This role ensures systems are securely authorized to operate (ATO) by applying security controls, documenting compliance, and coordinating with technical and security stakeholders throughout the system lifecycle. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Washington, District of Columbia11 days ago

Strong understanding of security concepts and technologies related to Identity and Access Management (IAM), security engineering, network security design, security operations, security architecture, general engineering processes, cloud security, data loss protection, zero trust, DevSecOps and vulnerability management. • Proven ability to provide technical security consultation and advisory services with a proactive approach to identifying potential issues, raising questions, and engaging in open dialogue with team members and stakeholders to ensure security objectives are met.

New!

Arlington, VA1 day ago

This is an exciting opportunity to work on complex, mission-driven government programs in a dynamic, fast-paced environment where your expertise truly matters. You’ll collaborate with dedicated professionals while ensuring compliance with federal security regulations, including the National Industrial Security Program Operating Manual (NISPOM).

Quantico, Virginia30+ days ago

Responsibilities: Assist in building, coordinating, maintaining, changing, and updating, the RMF A&A packages for the five enclaves administered by AFOSI.Implement security controls and assist AFOSI customers with the implementation of controls. Must be certified at IAT Level III (e.g., CASP+ CE/SecurityX, CISA, CCNP Security, CISSP, or equivalent certification satisfying DoD 8570/8140 certification requirements).

Washington, DC, DC30+ days ago

Full-time

Knowledge of Security Systems: Familiarity with systems such as Trusted Associate Sponsorship System (TASS), Defense Information System for Security (DISS), Case Adjudication Tracking System (CATS), Joint Verification System (JVS), Secure Web Fingerprint Transmission (SWFT), Secure Web Fingerprint Transmission Plus Enrollment (SWFT+), and National Background Investigation Services (NBIS). HCRC is currently seeking a qualified Security Specialist to be considered for full-time employment to support our government client at a location in Washington D.C. Key Responsibilities: Eligibility Determination: Assess the eligibility of personnel to access classified information and be assigned to sensitive duties.

Herndon, Virginia30+ days ago

$112,000–$179,000 Per Year

Candidate must meet ONE of the following: Bachelor’s degree in Computer Science, Cybersecurity, Data Science, Information Systems, Information Technology, Software Engineering, or a related field; OR. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.

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Security Specialist Jobs in Alexandria, VA

Jobs

IA Security SpecialistFoxhole Technology

Specialist, Software Engineering (Service Reliability Engineer)L3Harris Technologies

Contract SpecialistKaiva Tech

Specialist, Systems EngineerL3Harris Technologies

Specialist, Software Engineer (Embedded Software)L3Harris Technologies

Cyber Security LeadDunhill Professional Search

Specialist, EO/IR Systems Engineer (Top Secret Clearance)L3Harris Technologies

Senior Specialist, Systems Engineer - User Acceptance TesterL3Harris Technologies

Senior Engineering Support Specialist - Weapons Launcher Test EngineerThe Computer Merchant, LTD.

NOC SpecialistInmarsat Government, Inc

Secure Facilities & Collaboration Systems SpecialistJohns Hopkins Applied Physics Laboratory (APL)

Remote Claims SpecialistNesco Resource

Senior Construction Manager , AWS DCCD AMER SEAmazon Data Services, Inc.

Data Scientist SME Automation SpecialistLeidos

Security Specialist - JourneymanArmada Ltd

Jr Level Security SpecialistArmada Ltd

Security Specialist II - Risk Assessment SpecialistArmada Ltd

Security Specialist III –Personnel Security Adjudication SpecialistArmada Ltd

Security Specialists- Industrial Security ProgramAdvantage SCI

Mid-Level International Security SpecialistACT1 Federal

Security Specialist I – Badging and Credentialing SpecialistArmada Ltd

Program Security SpecialistChenega Corporation

Security Specialist / Application Security LeadZantech

Senior Security Specialist/PMChenega Corporation

Cyber Security Specialist (Information Security Analyst - SME)LanceSoft Inc

Cyber Security Specialist - Must have an Active Secret DoD clearanceCEDENT

Security SpecialistDefense Innovation Unit

Senior Personnel Security SpecialistTechnology Security Associates, Inc.

Personnel Security SpecialistTechnology Security Associates, Inc.

Subk-C Security SpecialistIBM

SECURITY SPECIALISTUnited States Fleet Forces Command

Security SpecialistCaduceus Healthcare

Security SpecialistChenega Corporation

Personnel Security (PerSec) SpecialistArmada Ltd

Physical Security (PhySec) SpecialistArmada Ltd

Security Specialist (Personnel)Akima

Personnel Security Specialist IV (Active TS with SCI Eligibility Clearance and Hybrid job)Akima

Security Specialist ExpertS2Technologies

Security Specialist-SeniorS2Technologies

Security Specialist-MidS2Technologies

Personnel Security SpecialistAdvantage SCI

Personnel Security Specialist (Adjudications) - Full PerformanceNational Reconnaissance Office (NRO)

Information Systems Security SpecialistVTG

Sr. Information Systems Security SpecialistVTG

Information Assurance (RMF) Security SpecialistMarkon

Senior Cloud Security Specialist (API) - onsiteSystem One

Industrial Security SpecialistChenega Corporation

Cyber Security SpecialistAbacus Technology

Security SpecialistHuman Capital Resources and Concepts

OT Security SpecialistPeraton

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