3,714 Results for

Security Specialist Jobs in Mclean, VA

Jobs

Washington, DC

li>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.

10 days ago

Rockville, MD

Full time

p>Kaiva Tech, LLC is seeking a Contract Specialist in Rockville, MD.

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..

3 days ago

Washington, DC

Provide resource estimates to the Program Manager, receive and inspect incoming and outgoing stock, schedule deliveries, assist warehouse supervisor, assist with inventory control, recommend stocking/warehousing levels, process supply system requests, reconcile source data and property record balances after physical inventories. • When not engaged in logistics support activities, serves as a “watch stander” in AOC’s interim Emergency Operations Center, providing situational awareness briefings and reports, and triaging open-source information to enhance the situational awareness of AOC leadership and staff.

11 days ago

Reston, VA

Full time

23 days ago

Jessup, MD

We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information.

4 days ago

Reston, VA

The enforced dress code is business casual, i.e., collared shirt with slacks for men, no skirts above the knee for women.

• Collaborate with security engineers, compliance officers, and business managers to ensure policies are both technically sound and operationally practical.

1 day ago

Leesburg, VA

p>Download the Sparks Group mobile app from Apple App Store or Google Play..

Sparks Group has partnered with a local government contractor to seek a highly skilled and results-oriented Contracts Specialist to join a collaborative team issuing important solicitations, proposals and highly visible contracts for the organization.

10 days ago

Sterling, VA

p>Download the Sparks Group mobile app from Apple App Store or Google Play..

Communication: Exceptional written, verbal, and interpersonal communication skills; ability to translate complex technical needs to non-technical users.

6 days ago

Frederick, MD

Contractor

It requires the wearing of protective footwear and obtaining a forklift certification for the state of Maryland if the candidate does not already have one. Location: 4510 Buckeystown Pike Ste E, Frederick, MD 21704.

2 days ago

Washington DC, DC

p class="MsoNormal">This position is responsible for maintaining secure and highly available eDiscovery environments, troubleshooting complex application and infrastructure issues, supporting legal hold and compliance initiatives, and partnering with investigative, legal, cybersecurity, and IT stakeholders to ensure operational excellence and data integrity. The ideal candidate will possess extensive experience administering and supporting Relativity and other litigation support platforms, while providing infrastructure, application, and investigative workflow support across the Electronic Discovery Reference Model (EDRM) lifecycle.

1 day ago

Springfield, VA

$24–$38 / hour

p>Download the Sparks Group mobile app from Apple App Store or Google Play..

Approximately 50% of the role will focus on technical editing and document quality assurance, 25% on content management and maintaining technical resources, and 25% on office management and administrative support.

4 days ago

McLean, VA

$75,000–$95,000

This role is ideal for a professional with 1 to 3 years of relevant experience who enjoys writing, editing, coordinating complex deliverables, and helping teams produce polished, high-quality submissions under deadlines. This includes drafting and editing written responses, preparing supporting materials, organizing submission files, and helping ensure the company’s experience, qualifications, and approach are presented clearly and effectively.

11 days ago

Washington, DC

$82,000–$89,000

With a proven track record in advanced analytics, software development, and technology integration, ATA is uniquely positioned to accelerate federal organizations in a number of ways by leveraging powerful contracting options and delivering cutting-edge, automation-enhanced, AI-assisted capabilities tailored to need and mission assurance imperatives.

About ATA: A leading provider of full-stack data and AI solutions with deep mission experience supporting the Department of Defense, Department of Homeland Security, IC, and federal agencies.

Today

Falls Church, VA

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2+ years of Help Desk / Desktop Support experience in enterprise IT.

Perform device imaging, deployment, and lifecycle management.

30+ days ago

Fort Meade, MD

$87,100–$157,450

April 21, 2026

For 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. 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.

26 days ago

Reston, VA

As part of our team, you’ll work in Reston, VA, supporting advanced defense technologies and R&D efforts alongside experts in simulation integration, state‑of‑the‑art modeling tools, and seasoned military SMEs. Your work will drive capability assessments for emerging military technologies and ensure the tools and methodologies we use effectively inform decision‑makers across the Department of Defense.

5 days ago

Hanover, MD

$84,000–$107,000 / year

This role serves as a subject matter expert and liaison between HR, IT, and business stakeholders to ensure HR systems meet organizational needs and support strategic initiatives. By connecting global resources and local experience, Keller develops innovative, practical, and cost-effective solutions to geotechnical challenges.

30+ days ago

Washington DC, DC

p>NAFSA believes that international education advances learning and scholarship, fosters understanding and respect among people of diverse backgrounds and perspectives, is essential for developing globally competent individuals, and builds leadership for the global community. The Event Technology Specialist works closely with both internal and external partners to provide support and develop best practices that ensure efficiency, precision, and continued development and success of the association’s event technology processes.

1 day ago

Quantico, VA

p style="text-align:justify">Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services.

Essential and marginal functions may require maintaining physical condition necessary for bending, stooping, sitting, walking or standing for prolonged periods of time; most of time is spent sitting in a comfortable position with frequent opportunity to move about.

30+ days ago

Harpers Ferry, WV

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Lead and manage COOP, Continuity of Operations, Mission Essential Functions (MEFs), and Essential Supporting Activities (ESAs) to ensure continuity of operations in all environments.

Install, operate, and support emergency communications systems, secure communications, GETS, and Wireless Priority Service (WPS) testing.

4 days ago

Hanover, MD

$84,000–$107,000 / year

30+ days ago

Washington, DC

The DevSecOps Architect will play a crucial role in our organization's initiative to develop and deploy an examiner workflow tool to replace and enhance a legacy system leveraging AWS GovCloud services. They will be responsible for designing, implementing, and maintaining secure, scalable, and efficient cloud infrastructure for multiple environments (e.g., development, testing, staging, production) of the new application.

3 days ago

Fort Belvoir, VA

$106,681–$246,980
Full time

Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

30+ days ago

Lanham, Maryland, Maryland

$45,000–$55,000 / year
Full time

Learn more about Beacon Hill and our specialty divisions, Beacon Hill Associates, Beacon Hill Financial, Beacon Hill HR, Beacon Hill Legal, Beacon Hill Life Sciences and Beacon Hill Technologies by visiting www.bhsg.com. Our niche brands offer a complete suite of staffing services to emerging growth companies and the Fortune 500 across market sectors, career specialties/disciplines and industries.

5 days ago

Arlington, VA

$54,502–$80,000
Full time

Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class.

30+ days ago

Washington, DC

$109,338–$160,000
Full time

Assist Business Development for Unmanned System capture efforts for new business opportunities, contract re-competes, and task order pursuits in the area of Surface Warfare Account, these include (but not limited to) Naval Expeditionary Combat Command, US Marine Corps, Naval Surface Warfare, Office of Naval Research, US Coast Guard. Develops capture strategy including business solution for pursuit of opportunities; identifies potential customers, competitive assessments, teaming suppliers, and prices-to-win; participates in bid and proposal activities.

30+ days ago

McLean, VA

$79,053–$115,000
Full time

HII-Mission Technologies is looking for an Operational Specialist (OS) supporting program flight operations as an Intelligence, Surveillance, andReconnaissance (ISR) Subject Matter Expert (SME) working in a small, close-knit crew environment providing expertise in support of missionrequirements. Conduct real-time communication and distribution of multi-source information with aircrew and ground assets during all phases of flight via Tactical Data Link and chat (e.g., Link-16/mIRC) or beyond line of site satellite communications (BLoS SATCOM).

30+ days ago

Fairfax, VA

Remote

$119,155–$220,000
Full time

Develops and owns capture plan and capture strategy, coordinating with Portfolio Leads to establish technical solutions, identify key personnel/SMEs, and assess strongest past performance references . When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.

30+ days ago

Fort Meade, MD

$122,042–$165,000
Full time

9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

30+ 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.

30+ days ago

Reston, VA

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.

30+ days ago

Washington, DC

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.

30+ 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.

30+ days ago

Washington, DC

$70,623–$91,815 / year

Certain Military Spouses: Permanent Change of Station (PCS) orders authorizing you to accompany the Military member to the new duty permanent station; OR verification of the members 100% disability (VA Letter); and/or verification of the members death while on active duty (DD-1300 and Death Certificate) AND verification of the marriage to the service member (i.e., a marriage license or other legal documentation verifying marriage). To apply for this position, you MUST provide a complete application package which includes: Your RESUMEshowing all relevant work experience (paid and unpaid) including: duties performed; full name and address of the each employer; start and end dates (month/day/year); work schedule (part-time, full-time, number of hours if intermittent); salary; and any completed education and training (program title, subject area, number of hours completed, and completion date).

15 days ago

Washington, DC

Personnel Security Specialist will utilize Electronic Questionnaires for Investigations Processing (eApp), Central Verification System (CVS), Personnel Investigations Processing System (PIPS), and other applicable personnel security systems to validate investigation requirements and reciprocity eligibility. Must have completed the Office of Personnel Management (OPM) Essentials of Suitability Adjudication Program, Basic Adjudication courses, or similar applicable adjudication/suitability training.

16 days ago

Washington, DC

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.

30+ days ago

Fort Belvoir, VA

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.

30+ days ago

Washington, DC

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).

30+ days ago

Washington, DC

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.

30+ days ago

li>Coordinate with the COR, Government Security Points of Contact, Program Manager, Facility Security Officer, host-unit security offices, and contractor leadership on security-related matters.

Track contractor completion of required security training, annual refresher training, derivative classification training, insider threat awareness, and other applicable security requirements.

12 days ago

Germantown, MD

$85,000–$95,000 / year

Assists with the implementation of security-related procedures to include: the control and management of CIO Limited or Vault Type Rooms; Access authorizations, and registration in SSIMS prior to submission to Office of Personnel Security; control and handling of classified material; reviews classified visits, foreign visits and assignments and foreign travel requests; investigation, track and report Federal and Contractor staff security infractions; ensures escorts are trained and performing properly; tracks Federal compliance with security training (Annual Security Refresher Briefing); attend all Headquarters security-related meetings as identified by TM. May work with the Classified Information Systems Security Officer (ISSO) and alternate(s); Operations Security (OPSEC) working group member (if CIO member); classification representative(s); Technical Surveillance Countermeasures Officer (TSCMO); control station personnel; and Security Awareness POC as required.

30+ days ago

Washington, DC

$99,218–$128,987 / year

Specialized experience may have been demonstrated by: Experience formulating wing program goals, plans, policy implementation guidelines, procedures, and work plans dealing with the development and operation of wing-wide information security programs and activities; Experience providing technical and administrative direction to subordinate wing information security personnel; Experience interpreting federal regulations for information security processes as they apply and are implemented within the Wing; Experience overseeing, directing, monitoring, and conducting regulatory and non-regulatory security surveys and Information Security Program Reviews (ISPRs) to monitor and enforce implementation and oversight of DoD Information, Personnel, and Industrial Security Programs.

If you are a male applicant who was born after 12/31/1959 and are required to register under the Military Selective Service Act, the Defense Authorization Act of 1986 requires that you be registered or you are not eligible for appointment in this agency (https://www.sss.gov/RegVer/wfRegistration.aspx).

3 days ago

Chantilly, VA

$33.92–$50.88 / hour

As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers.

Experience with the following NSA Type-I Encryption Devices: KG-175's, KG-185, KIV-7, KG-250's, Omni, DTD, SDS, VIPERs and Secure Terminal Equipment (STE) with KSV-21.

12 days ago

Washington, Washington, DC

Qualifications:

Bachelor's degree in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science, from an ABET accredited or CAE designated institution.
- Master's degree in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science, from an ABET accredited or CAE designated institution.

30+ days ago

Washington, Washington, DC

Qualifications:

Bachelor's degree in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science, from an ABET accredited or CAE designated institution. 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.

30+ days ago

Arlington, VA

$76,463–$118,204 / year

Specialized experience is experience in developing and implementing organizational level information, personnel, industrial, physical, program protection, information technology and/or communications security programs and/or managing Special Access Programs (SAP) and projects up to and including Top Secret/Special Access Required (SAR), Expert experience in SAP, SCI and Collateral Security Policy is highly desirable, as well as, the ability to execute strong action officer skills, demonstrate strong verbal and written skills, along with effective use of Microsoft Office programs.

For more information on Acq Demo please go to DoD AcqDemo Homepage http://acqdemo.hci.mil/ and Fact Sheet http://acqdemo.hci.mil/faq.html.

30+ days ago

$80,001–$120,000 / year

p>SAIC is looking for a Security Specialist for the Science & Technology Directorate (S&T) division, to provide comprehensive security support across personnel, physical, industrial, information, and operations security domains. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.

19 days ago

Arlington, VA

This position ensures information systems security compliance and manages security controls for DoD cloud migration projects while coordinating security accreditation activities and maintaining ongoing security posture. INFORMATION SYSTMES SECURITY OFFICER - CLOUD SECURITY SPECIALIST (NAUT): Bowhead seeks an Information Systems Security Officer (ISSO Cloud) to support our customer on the Nautical contract in the Arlington, VA area.

30+ days ago

Laurel, MD

Conduct administrative inquiries of security violations to include loss and compromise of classified information/material, and coordinate initial and final reports; Coordination with the Insider Threat Program Senior Official (ITPSO) / insider threat team, when applicable. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

24 days ago

Springfield, VA

li>Prepare, review, and staff required documentation (including but not limited to: staff packages, Memorandums of Agreement/Understanding, Appointment Memorandums, classification documentation, reports (TK Annual Report, Site Visit Reports, program metrics, etc.), Memorandums for Record, Taskers, etc.

Understand and enforce procedures for handling SCI Controlled Access Programs (CAP's), Special Access Programs (SAP), Alternative Compensatory Control Measures (ACCM) and other collateral materials IAW applicable security policies and regulations.

30+ days ago

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Security Specialist Jobs in Mclean, VA

Sr. Cloud Security Specialist (AWS) System One

Contract Specialist Kaiva Tech

Logistics Transportation Specialist Bowhead / UIC Technical Services

NOC Specialist Inmarsat Government, Inc

Cloud Solutions Consultant, National Security (NatSec) Professional Services (ProServe) Amazon Web Services, Inc.

IT - Information Security/Privacy Analyst II PlanIT Group

Contracts Specialist Sparks Group

HRIS Project Specialist Sparks Group

Warehouse Inventory Specialist SONA Networks, LLC

eDiscovery Application Support Specialist NuAxis Innovations

Operations & Technical Publications Specialist Sparks Group

Proposal Specialist Credence

Program Support Specialist - Mid Cherokee Federal

Help Desk Specialist NuAxis Innovations

Data Engineering Specialist Leidos

AFSIM Modeling and Simulation Specialist DCS Corporation

Sr. Application Specialist 1Britcom

Event Technology Specialist NAFSA: Association of International Educators

Systems Administration (Operations Support Specialist) ARCTICOM LLC

Senior Continuity Specialist MANTECH

Sr. Application Specialist Keller North America, Inc.

Sr. IT DevSecOps Architect System One

Computer/Network Security Systems Specialist (Lead) Company Confidential

Accounts Payable Specialist (Part-Time) Beacon Hill Staffing Group, LLC

Document Control Specialist - 28449 Company Confidential

Capture Management Specialist -3 Company Confidential

Operations Specialist - Rotator (Mission Assurance 2) - 27970 Company Confidential

Capture Management Specialist- Remote (Capture Management 4) 28542 Company Confidential

Due Diligence Specialist (Mission Assurance 4) - 28270 Company Confidential

Security Specialist - Journeyman Armada Ltd

Security Specialists- Industrial Security Program Advantage SCI

Security Specialist II - Risk Assessment Specialist Armada Ltd

Jr Level Security Specialist Armada Ltd

Personnel Security Specialist US Department of Energy

Personnel Security Specialist Armada Ltd

Security Specialist I – Badging and Credentialing Specialist Armada Ltd

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

Personnel Security (PerSec) Specialist Armada Ltd

Physical Security (PhySec) Specialist Armada Ltd

Contract Security Specialist Officer ECS Federal LLC

Security Specialist III Chickasaw Nation Industries, Inc.

INFORMATION SECURITY SPECIALIST United States Air Force

Security Specialist, COMSEC The Aerospace Corp

Information Systems Security Specialist VTG

Sr. Information Systems Security Specialist VTG

SECURITY SPECIALIST-DIRECT HIRE AUTHORITY United States Air Force

Security Specialist Science Applications International Corp

Information Systems Security Officer - Cloud Security Specialist Bowhead / UIC Technical Services

Industrial Security Specialist Johns Hopkins University Applied Physics Laboratory LLC

Program Security Specialist Science Applications International Corp

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