830 Results for

Cyber Security Engineer Jobs in Mclean, VA

Jobs

Laurel, MD10 days ago

$100,000–$245,000

We have custom facilities tailored to specific classes of systems including vehicles, telecommunications/network infrastructure, and industrial systems as well as general reverse engineering labs. Our team specializes in software and hardware reverse engineering, vulnerability research, and developing proof-of-concept offensive cyber capabilities with a focus on embedded systems.

New!

Germantown, MD3 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.

Laurel, MD10 days ago

$105,000–$290,000

We have custom facilities tailored to specific classes of systems including foreign materiel, telecommunications/network infrastructure, and industrial systems as well as general reverse engineering labs. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

New!

Chantilly, VAToday

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).

New!

Chantilly, VAToday

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!

Springfield, VAToday

The ideal candidate demonstrates strong leadership, technical depth in threat-informed engineering, and the ability to integrate Mission Protection requirements into operational planning, system architecture, and lifecycle activities. The selected candidate will apply operational security (OPSEC), counterintelligence, cyber defense, and threat analysis principles to protect critical systems and ensure the survivability and resilience of U.S. assets in contested and degraded environments.

New!

Herndon, VAToday

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!

Herndon, VAToday

$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!

Herndon, VAToday

$135,000–$250,500 Per Year

In addition to technical contributions, this position supports the day‑to‑day activities of the Software Engineering Group by providing technical guidance, assigning tasks, participating in complex engineering efforts, reviewing and approving formal documentation, and estimating labor, tools, and other resources to meet budget and schedule commitments. Ability to independently contribute to software requirements development, software testing and integration, and the creation of both application‑level and embedded C/C++ code on Windows-based and Linux‑based systems, including GUI and system‑control development.

New!

Springfield, VAToday

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.

New!

Herndon, VAToday

The successful ACE will engage with customer, engineering, operations, and management personnel to define and document the customer’s mission needs, CONOPS and requirements; perform trade studies; engage L3Harris Subject Matter Experts (SMEs) to architect an affordable solution carrying acceptable risk; and provide technical leadership to capture and proposal efforts. The role requires demonstrated leadership across multiple disciplines, with significant expertise in model-based design and operations for large scale networks integrating multiple technologies (terrestrial, radio, satellite) and system life-cycle sustainment.

McLean, VA9 days ago

Architect and deliver end‑to‑end AI/ML solutions on Google Cloud using Vertex AI (Workbench, Pipelines, Training, Model Registry, Online/Batch Prediction, Feature Store, Model Monitoring) and Gemini/LLM services—optimized for performance, cost, and maintainability. Proven experience architecting robust data ingestion, processing, and transformation workflows using Dataflow, Data Fusion, Dataproc, BigQuery, and Looker and integrating these platforms with Vertex AI for model training, deployment, and inference.

New!

Chantilly, VAToday

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. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

New!

Chantilly, VAToday

$161,500–$300,500 Per Year

Enterprise Integration: Engineer and integrate cutting-edge capabilities, seamlessly merging legacy and emerging technologies to deliver robust mission solutions across complex government and DoD environments. 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.

New!

Laurel, MD3 days ago

$100,000–$245,000

Experience with (1) Static Analysis tools such as Coverity and Klockwork, (2) Dynamic Analysis tools such as Valgrind, libFuzzer, and Java Pathfinder, (3) Symbolic Execution Engines such as KLEE and angr, (4) Model Checkers such as TLA+ and SPIN, (5) SMT Solvers such as Z3, CVC5 and MathSAT (6) other Automated Theorem Provers such as ACL-2 and GnatProve, (7) Interactive Theorem Provers such as Lean and Rocq, and any other formal methods tools. Experience with formal methods tools and techniques, such as language safety properties, symbolic execution, abstract interpretation, model checking, automated and interactive theorem proving, programming language analysis and design, type theory, static source code analysis, and formal logic.

Laurel, MD10 days ago

$125,000–$290,000

This individual will be instrumental in strengthening the Branch’s technical excellence, advancing strategic core competencies, and mentoring high-performing staff to develop and deliver innovative, mission-relevant capabilities aligned with AMDS strategic intent. The successful candidate will be a highly respected member of the DOW community with demonstrated technical depth, systems engineering rigor, and the ability to lead complex, high-impact engineering efforts.

New!

Chantilly, VAToday

$135,000–$250,500 Per Year

This team is at the forefront of satellite command and control systems, leveraging web technologies, distributed computing, sophisticated cloud technologies, frameworks, and cutting-edge capabilities. 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.

Washington, DC7 days ago

$131,300–$237,350

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. Serve as a People Leader for personnel supporting the Firewall Task Area:Serve as the focal point for all firewall tasks, operations, projects, and assessments.

Laurel, MD10 days ago

$100,000–$245,000

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. 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.

New!

Arlington, VA4 days ago

$120,000–$170,000 Per Year

If you have a strong background in Electrical engineering, with a particular focus on power generators, uninterruptible power supplies, life safety/emergency/mission critical power distribution, electric vehicle (EV) infrastructure, and other electrical equipment and system, we want to hear from you. Conduct surveys of existing areas and facilities, conduct design reviews, conduct code compliance inspections, witness code required testing, assist in code development and implementation, and execute small systems designs.

New!

Herndon, VAToday

$97,000–$207,500 Per Year

In addition to technical contributions, this position supports the day‑to‑day activities of the Software Engineering Group by providing technical guidance, assigning tasks, participating in complex engineering efforts, reviewing and approving formal documentation, and estimating labor, tools, and other resources to meet budget and schedule commitments. 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.

New!

Herndon, VAToday

$127,500–$236,500 Per Year

Build and maintain analytic toolsets representing each phase of the find, fix, target, track, engage, and assess (F2T2EA) chain using sensor, effects, and communications technologies, including decision support aids i.e. data visualization, Unity-game engines to support operations assessment, as well as lessons learned development/refinement experience. The selected Manager, Systems Engineering will work in a fast-paced environment with a diverse collaborative geographically dispersed team to develop various analytic toolsets focused on constructive simulation and experimentation across multi-domains, for a variety of customers, both internal and external contracts.

Laurel, MD10 days ago

$100,000–$245,000

We strive to foster an innovative and collaborative team environment where engineers can hack the latest technologies to find and exploit vulnerabilities to solve the hardest national security challenges and have real-world impact. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

Laurel, MD10 days ago

$100,000–$245,000

New!

Reston, VA4 days ago

Remote

$107,900–$195,050

Leidos Intelligence Sector delivers advanced technology and mission software across cyber, logistics, security operations, and decision analytics, empowering defense and intelligence customers to stay ahead of evolving global threats. Experience working in cloud environments (AWS, Azure, GCP), including hands-on experience with AWS services such as EC2 and S3, and deploying applications in containerized architectures (Docker, Kubernetes).

Alexandria, VA9 days ago

Full-time
Employee

You will utilize Splunk and the Machine Learning Toolkit (MLTK) to provide predictive analytics and automated incident response, ensuring the high availability of mission-essential infrastructure. Key Responsibilities: Architect and maintain Splunk AIOps solutions across unclassified and classified enclaves to provide real-time situational awareness.

Herndon, VA30+ days ago

Basic knowledge of or hands on experience with: • Performing Cybersecurity activities in support of software and system requirements, design, development, testing, and sustainment. Must have DoD 8570/8140 approved certification such as CompTIA Security+, ISC2 CISSP, or equivalent.

New!

Washington D.C.4 days ago

$120,000–$150,000 Per Year

Astrion has worked extensively Program Executive Office Integrated Warfare Systems Engineering Support Services (PEO IWS ESS) Cyber Contract where it has earned a reputation for on-time delivery of high-quality cyber support tailored to the needs of its clients. Astrion has an exciting opportunity for a Senior-Level Cybersecurity Engineer located at the Program Executive Office of Integrated Warfare Systems Contract in Washington Navy Yard, Washington, DC.

Quantico, VA30+ days ago

Advises on an integrated, dynamic cyber defense and leverage cyber security solutions to deliver cyber security operational services, including intrusion detection and prevention, situational awareness of network intrusions, security events, endpoint security, data spillage, and incident response actions. The CND engineer will respond to and report all IT incidents ranging from security violations (i.e., information spillage and unauthorized usage) to suspicious activity reports and insider threats through the use of current cyber security tools and by following current guidelines and directives published by the DoD and the Navy.

Chantilly, Virginia12 days ago

$146,000–$234,000 Per Year

Experience engineering Cyber Security solutions using Cloud Based Technology such as: Service Orientated Architecture (SOA), On-demand self-service, Broad network access, Resource pooling, Rapid elasticity, Measured Service, Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS). Qualifications: Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.

Quantico, VA30+ days ago

Full-time

As a Cyber Security Engineer, you will play a critical role in in monitoring, analyzing, and detecting cyber events and incidents within information systems and networks, that serve U.S. government missions at the Cambridge Customer Site. Support integrated cyber defense operations aligned with organizational risk management frameworks; maintain security tools to enable continuous monitoring and RMF/NIST authorization activities.

Quantico, VA12 days ago

Prior experience with computer networking and telecommunication architecture, the OSI model, and communications protocols and in collaborating with multiple technical teams to drive solutions that are requirement driven. The Cyber Security Engineer will be responsible for tasks related to Assessment & Authorization (A&A) to ensure assigned DoD, DoN systems/Enclaves/Networks can obtain and maintain Authorization to Operate (ATO) and Authorization to Connect (ATC) certifications.

Washington, DC30+ days ago

As a mission-driven healthcare organization, Howard University Hospital relies on secure, resilient, and high-performing technology systems to support patient care, clinical operations, and enterprise services. Working across on-premises, hybrid, and cloud environments, the Senior Cybersecurity Engineer helps ensure the hospital’s technology environment remains secure, compliant, and resilient against emerging threats.

Bethesda, MD30+ days ago

Full-time

Design, configure, implement, troubleshoot, and maintain all security platforms and their associated software, such as firewalls (Security Groups), intrusion detection/intrusion prevention, anti-virus/malware (HBSS), cryptography systems (Vormetric), SIEM (Splunk), and MDM. The Cyber Security Engineer must display an excellent understanding of technology and utilization of Firewalls (Security Groups), VPNs, Data Loss Prevention (DPS), IDS/IPS, Web-Proxy, Security tools, and Security Audits.

Washington, Washington, DC30+ days ago

Develop automation scripts for security monitoring and incident response tasks using tools like Terraform, Ansible, or cloud-native automation tools and implement and maintain security tools and technologies that enhance the overall security posture such as Prisma Cloud CSPM (Cloud Security Posture Management) platform. Experience in assisting responses to external audits, penetration tests, vulnerability assessments, recommending and coordinating application fixes, patch management, risk assessments, and implementing security procedures in the event of a security breach.

Chantilly, VA24 days ago

The Principal Cyber Security Engineer will leverage their strong technical background and knowledge to support the Sponsor’s system accreditation efforts, to include creating Body of Evidence (BOE) documentation, responding to/implementing/documenting required controls, and completing required tasks/actions. + Deploying solutions to proactively mitigate cyber threats to customer networks while collaborating with cross-functional teams to ensure security and performance requirements.

New!

Chantilly, VA3 days ago

$175,000–$260,000

Investigate and analyze all data sources, to include Internet, Sponsor Community reporting, security events, firewall logs, forensic hard-drive images, and other data sources to identify malware, misuse, unauthorized activity or other cyber security related concerns and report this immediately to the Sponsor. Leading Path is an award-winning Information Technology and Management Consulting firm focused on providing solutions in process, technology, and operations to our government and Fortune 500 clients.

Bethesda, MD14 days ago

In this role, you will collaborate closely with compliance personnel, software engineers, system engineers, system architects, and Government counterparts to perform the full spectrum of systems and cyber security engineering tasks to ensure system regulatory compliance and security posture. We leverage cloud-based computing, artificial intelligence (Al), machine learning (ML), and cross-domain transfer systems to provide cutting edge data exploitation, enrichment, triage, and analytics capabilities to the Defense Intelligence Enterprise.

Chantilly, VA24 days ago

The Senior Splunk Cyber Security Engineer will leverage their strong technical background and knowledge to support the Sponsor’s system accreditation efforts, to include creating Body of Evidence (BOE) documentation, responding to, implementing, and documenting required controls, and completing required tasks and actions. + Deploying and managing all supported and unsupported Splunk Add-ons required for specific data sources and performing integrations via API.

Bethesda, MD14 days ago

Maintain application, network, and database scanning infrastructure (application/product updates, database maintenance, benchmark/audit files, application/server builds, rule pack/content updates, scanner, or agent deployment etc.). This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating.

Herndon, VA30+ days ago

You will collaborate with analysts, stakeholders, and internal teams to ensure comprehensive cyber defense and deliver high-quality solutions that meet client needs and exceed security objectives. Altus Consulting is seeking a skilled Cyber Security Engineer to analyze, design, and implement security solutions across various client environments.

Chantilly, VA24 days ago

This role ensures performance, integrity, and protection across enterprise platforms while you serve as a senior technical leader and mentor, guiding strategic improvements and staying on the forefront of evolving cybersecurity technologies. + Experience inventorying complex networks and managing network documentation such as security compliance, configuration management, and patching.

Chantilly, VA24 days ago

In this role, you will support mission-critical cybersecurity operations by designing, deploying, and maintaining secure, resilient data collection and monitoring solutions that enable informed decision-making across the enterprise. + Occasionally moves about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers via email, phone, or virtual communication, which may involve delivering presentations.

Washington, DC30+ days ago

The ideal candidate must possess strong Linux engineering expertise with experience managing YAML configuration files, and how these configurations integrate and influence the Intrusion Detection Systems/Intrusion Prevention Systems (IDS/IPS). · Extensive experience administering Red Hat Enterprise Linux (RHEL) systems, including package management (yum/dnf), kernel module management, SE-Linux configuration, and system optimization via Unix CLI and other remote shell access vectors (puTTY, SSH, etc.).

Chantilly, VA30+ days ago

Security testing and penetration tools that include Assured Compliance Assessment Solution (ACAS), Wireshark, Retina, Tripwire, etc…. DCID 6/3, ICD 503, CNSSI 1253, NIST SP 800-53, NIST SP 800-53A, NIST SP 800-37, and security controls.

Dulles, Virginia30+ days ago

The ideal candidate is a recognized cybersecurity authority with advanced technical expertise in the Department of War (DoW) Risk Management Framework (RMF) process and experience collaborating with the government to design and maintain secure, complex solutions. From our locations across the DC Metro area, Hampton, Virginia, and Huntsville, Alabama, we provide technological subject matter expertise, program management and business process knowledge as a trusted advisor in support of our Department of Defense and other Federal Agency customers.

McLean, VA30+ days ago

Analyze vulnerability scan results, prioritize risks and coordinate remediation efforts with relevant teams. Collaborate with incident response team to identify root causes and implement preventive measure.

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Cyber Security Engineer Jobs in Mclean, VA

Jobs

Reverse Engineer / Cyber Capability EngineerJohns Hopkins Applied Physics Laboratory (APL)

Cyber Security LeadDunhill Professional Search

Senior Reverse Engineer / Cyber Capability EngineerJohns Hopkins Applied Physics Laboratory (APL)

Specialist, Software Engineering (Service Reliability Engineer)L3Harris Technologies

Specialist, Systems EngineerL3Harris Technologies

Lead, Systems Engineer - Mission ProtectionL3Harris Technologies

Specialist, Software Engineer (Embedded Software)L3Harris Technologies

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

Lead Software EngineerL3Harris Technologies

Senior Specialist, Systems Engineer - User Acceptance TesterL3Harris Technologies

Senior Scientist, Systems Engineer (Melbourne, FL & Herndon, VA)L3Harris Technologies

Senior Google AI EngineerCredence

Specialist, Integration & Test EngineerL3Harris Technologies

Scientist, Software EngineerL3Harris Technologies

Formal Verification and Software Assurance EngineerJohns Hopkins Applied Physics Laboratory (APL)

A4 Non-Kinetic Warfare Branch Chief EngineerJohns Hopkins Applied Physics Laboratory (APL)

Lead, Software EngineerL3Harris Technologies

Lead Firewall EngineerLeidos

Reverse Engineer for RF SystemsJohns Hopkins Applied Physics Laboratory (APL)

Electrical EngineerChinook Systems

Software Engineering - Various LevelsL3Harris Technologies

Lead, Systems Engineering - Modeling & SimulationL3Harris Technologies

Blockchain Vulnerability ResearcherJohns Hopkins Applied Physics Laboratory (APL)

Artificial Intelligence (AI) Project LeaderJohns Hopkins Applied Physics Laboratory (APL)

Software DeveloperLeidos

Splunk ArchitectCompany Confidential

Cyber Security EngineerCinteot

Senior Cyber Security EngineerAstrion

Cyber Security Engineer- CNDOSC Edge

Expert Level Cyber Security EngineerPeraton

Cyber Security Engineer – TS/SCI Clearance | Quantico, VirginiaCambridge International Systems Inc

Cyber Security Engineer A&AOSC Edge

Senior Cyber Security EngineerHoward University Hospital

Cyber Security EngineerHoplite Solutions LLC

Cyber Security Engineer SMEAbacus Technology

Principal Cyber Security EngineerManTech

Bid Role - Cyber Security Engineer (starts in 8-10 weeks) - TS/SCI w/ PolyLeading Path Consulting

Cloud Cyber Security Engineer - TS/SCIVMD Corp

Senior Splunk Cyber Security EngineerManTech

Cyber Security Engineer - TS/SCIVMD Corp

Cyber Security EngineerAltus Consulting Corp

Senior Principal Cyber Security EngineerManTech

Senior Cyber Security EngineerManTech

IDS/IPS Cyber Security Engineer, MidDAn Solutions

Cyber Security EngineerRampant Technologies

Senior Cyber Security EngineerTechnica Corporation

Cyber Security/Application Security EngineerDiverse Linx

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