Cyber Security Engineer Jobs in Washington, DC
Johns Hopkins Applied Physics Laboratory (APL)
$105000 - $290000
Laurel, MD
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.
Johns Hopkins Applied Physics Laboratory (APL)
$100000 - $245000
Laurel, MD
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.
Credence
McLean, VA
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.
L3Harris Technologies
Herndon, VA
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.
Johns Hopkins Applied Physics Laboratory (APL)
$100000 - $245000
Laurel, MD
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.
PlanIT Group
Washington, DC
Experience with creating and improving automation scripts across multiple technical stacks using Python, • Experience with troubleshooting and resolving issues related to both open source and commercial tools in public cloud environments. • Experience with AWS & Azure & the development of tools and processes to drive DevSecOps maturity by automating builds, regression testing, monitoring, and pushing releases across environments.
Johns Hopkins Applied Physics Laboratory (APL)
$100000 - $245000
Laurel, MD
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.
Chinook Systems
$120000 - $170000
Arlington, VA
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.
Credence
Washington, DC
Maintain a travel ready status and as needed, serve on Disaster Response Teams (DART) and serve on Washington-based Response Management Teams (RMTs), which provides services and support to DARTs deployed in response to disasters. The office is composed of technical experts across humanitarian sectors, including agriculture, food assistance, shelter, health, nutrition, natural hazards, economic recovery and market systems, protection, and water, sanitation, and hygiene (WASH) activities.
Credence
McLean, VA
Collaborate with DevOps, Data Engineering, and Cybersecurity teams to integrate AI into secure, production-grade environments, leveraging Air Force technology stacks (e.g., Cloud One, DISA, DevSecOps CI/CD). Translate complex mission needs into technical solutions supporting Air Force core functions, including autonomy, human-machine teaming, and decision support.
Johns Hopkins Applied Physics Laboratory (APL)
$100000 - $245000
Laurel, MD
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.
Base One Technology
Ashburn, VA
They will work with various cloud platforms such as AWS, Microsoft Azure, Google Cloud and others, and will focus on day-to-day operations of the environment, handling tasks such as provisioning, monitoring, troubleshooting, and optimizing cloud resources and systems. Experience with orchestration tools like Ansible, Chef, or Puppet for configuration management and ability to implement Continuous Integration/Continuous Deployment (CI/CD) pipelines for cloud infrastructure provisioning and deployment automation.
Cinteot
Herndon, VA
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.
Astrion
$120000 - $150000
Washington D.C., undefined
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.
Howard University Hospital
Washington, DC
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.
Peraton
$146000 - $234000
Chantilly, Virginia
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.
Peraton
$135000 - $216000
Chantilly, Virginia
Must possess an active, current Top Secret/Sensitive Compartmented Information (TS/SCI) clearance with polygraph; Bachelor's degree in a relevant technical field, or 4 additional years of relevant technical experience may be accepted in lieu of degree; 3+ years of experience across technical competencies, such as: analysis, network engineering, network security, technical collection, penetration testing, red teaming, hardware engineering, software reverse engineering, cyber operations, and/or computer exploitation; 1+ years of experience across three or more of the following: mobile device security, telecommunications protocols, Operating Systems (Linux, Android, Windows, iOS), software reverse engineering, vulnerability assessment, or malware forensics; Familiarity with cyber security tools such as Splunk, Zeek, Snort, etc. 6+ years of experience across technical competencies, such as: analysis, network engineering, network security, vulnerability assessment, technical collection, penetration testing, red teaming, hardware engineering, software reverse engineering, cyber operations, and/or computer exploitation; 3+ years of experience across three or more of the following: mobile device security, telecommunications protocols, Operating Systems (Linux, Android, Windows, iOS), software reverse engineering, vulnerability assessment, or malware forensics; System administration experience including support to Linux and/or Windows applications; Relevant certifications such as CISSP, CCFP, CCSP, CEH, GCFA, GCIA, etc.
Georgia Tek Systems
Baltimore, MD
This position serves as a subject matter expert on all aspects of cyber security engineering and centralized cyber security service development participates in cross functional teams as a cyber security engineer. Roles and Responsibilities: Serve as a core contributor on multi-disciplinary project teams to improve the State cybersecurity services/solutions and respective implementation, including requirements development.
Hoplite Solutions LLC
Bethesda, MD
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.
OSC Edge
Quantico, VA
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.
Cambridge International Systems Inc
Quantico, VA
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.
Noblis
$86800 - $135625
Washington, Washington, DC
Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. Personnel performing cybersecurity functions must meet DoD cybersecurity workforce certification requirements in accordance with DoD Manual 8140.3 for their designated role within 9 months of hire.
HII Mission Technologies Division
$113022 - $166867
Hanover, MD
5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. You won't just be checking boxes for compliance; you’ll be designing proactive defense strategies, automating threat detection, and ensuring our "User-Warped" solutions are resilient against sophisticated global adversaries.
ManTech
Chantilly, VA
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.
Goldbelt, Inc.
$150000 - $175000
Arlington, Virginia
Abacus Technology
Washington, Washington, DC
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.
Technica Corporation
Dulles, Virginia
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.
Altus Consulting Corp
Herndon, VA
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.
ManTech
Chantilly, VA
Experience deploying and/or supporting enterprise security software products such as firewalls, IPS, anti-virus solutions, application firewalls, high availability solutions, network management systems, and virtual systems. + Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers via email, phone, and/or virtual communication, which may involve delivering presentations.
ManTech
Chantilly, VA
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.
DAn Solutions
Washington, DC
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.).
Goldbelt, Inc.
$150000 - $175000
Arlington, Virginia
Rampant Technologies
Chantilly, VA
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.
iTec
Quantico, VA
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/report all IT incidents ranging from security violations (i.e., information spillage and unauthorized usage) to suspicious activity reports and insider threats using current cyber security tools & by following current guidelines & directives published by the DoD and the Navy.
Trinity Global Consulting
Springfield, VA
At Trinity Global Consulting (TGC), we value our employees and provide a comprehensive benefits package that includes: Medical, Dental & Vision Coverage – Coverage for eligible employees and family through CareFirst and VSP. Apply RMF processes to support system Assessment & Authorization (A&A), including control selection, implementation, assessment, and continuous monitoring.
Diverse Linx
McLean, VA
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.
Exelon
BALTIMORE, MD
We are a Fortune 200 company, 20,000 colleagues strong serving more than 10.7 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco). + Leads and performs engineering tasks and projects associated with a critical or analytical engineering project or a small number of complex projects that require specialized knowledge in many areas, may include field testing, troubleshooting, and peer review (25%).
J5 Consulting
Chantilly, VA
The Customer requires subject matter expertise in technical risk analysis of enterprise and mission systems, IT systems and networks, mobile and wireless networks, cloud-based computing, network management platforms, communication protocols, scripting or programming products, configuration scripts, and IT hardware and software products in support of Sponsor’s technical risk assessment activities. Demonstrated experience developing IT system or network architecture design, conducting IP data flow analysis, encryption configuration, and vulnerability analysis using both open-source and commercial tools, such as Nmap, Wireshark, Metasploit, Canvas, Kismet, or BackTrack.
TENICA and Associates LLC
Herndon, VA
TENICA provides knowledgeable and experienced subject matter experts to perform a variety of professional services, logistics and supply chain management, crisis prevention and response, and information technology solutions to solve dynamic security challenges. Founded in 2008 and based in Alexandria, Virginia, TENICA is a Service Disabled Veteran Owned, Woman Owned, Small Business (SDVOB and WOSB) and is a participant in the Small Business Administration’s 8(a) business development program.
TENICA and Associates LLC
Herndon, VA
TENICA provides knowledgeable and experienced subject matter experts to perform a variety of professional services, logistics and supply chain management, crisis prevention and response, and information technology solutions to solve dynamic security challenges. Founded in 2008 and based in Alexandria, Virginia, TENICA is a Service Disabled Veteran Owned, Woman Owned, Small Business (SDVOB and WOSB) and is a participant in the Small Business Administration’s 8(a) business development program.
VTG
Chantilly, Virginia
The position entails the protection of networks through the implementation of firewalls, virtual private networks (VPNs), antivirus software, intrusion detection/prevention systems (IDS/IPS), border gateways, switches, routers and more. In addition to the above relevant IA experience, the Information Assurance Systems Architect and Engineer (IASAE) must also have experience with DoD IA Certification and Accreditation Process, or ICD 503 policies, the Government Certification and Authorization process, and guidance from the NIST for implementation with NRO.
George Mason University
Fairfax, Virginia
Post-quantum cryptography and quantum-secure systems engineering; Secure and trustworthy AI/ML systems; Quantum communications and quantum network security; Hardware trust, supply-chain assurance, and secure heterogeneous computing (including post-quantum/quantum accelerators); Resilient cyber-physical systems and critical infrastructure in the AI/quantum era; Quantum-cyber threat modeling and adversarial vulnerability in quantum/cryptographic systems; Next-generation wireless/edge/IoT security (5G/6G/AI/quantum integration); Cybersecurity for emerging computing paradigms (neuromorphic, bio-cyber systems, quantum/hybrid computing); Preference will also be given to candidates whose work complements and amplifies the CYSE Department's existing strengths in wireless/5G security, digital forensics, AI, and cyber-physical systems; and. Applicants must have received a PhD in Cyber Security, Engineering, Computer Science or a related field by the start date of the position; Should have demonstrated potential for excellence and productivity in research, academic service, and a commitment to high-quality teaching; Qualified candidates should demonstrate excellence in research (track record or strong potential) and teaching; Committed to interdisciplinary collaboration (across hardware, communications, control systems, AI, quantum technologies); and.
IDS International
Arlington, VA
Key DutiesEngineer and implement scalable virtualized environments leveraging hypervisors (KVM, VMware, Hyper-V), virtual machines, containers, and software-defined networking across hybrid, edge, and cloud infrastructures. Build and maintain frameworks and tooling for user and NPC emulation across virtualized environments to enhance operational realism, including threat emulation and defensive toolsets for network monitoring, incident detection, and response.
Technomics
Arlington, VA
We deliver practical, credible and defensible results offering actionable insights by applying data-driven and analytics-based approaches in combination with multidisciplinary talent, subject matter experts, and tangible and repeatable assets in the form of databases, models, approaches and techniques. You will help organize and manage risk assessment data, connect outputs to external threat/vulnerability databases (e.g., CVE/NVD, MITRE ATT&CK), and develop structured knowledge bases that allow for trend analysis and lessons learned.
ASSYST, Inc.
Alexandria, VA
Responsible for the ability to implement the various phases of Continuous Diagnostics and Mitigation, establishing baselines for security tools to ensure proper configuration and deployment, architecting, deploying, and maintaining security products and services, and recommending and implementing solutions for protecting data throughout its lifecycle. Use knowledge of adversary Tactics, Techniques and Procedures (TTPs) and agency systems to create detections and analytics to detect and understand various activity in SOC sensors and analytic systems, from scratch, as needed.
Johns Hopkins Applied Physics Laboratory
Laurel, Maryland
Have experience in the development of related documents that define processes, solutions, requirements, and specifications for government agencies (military, federal departments/agencies, state, and local) and public organizations to collaborate and achieve greater cybersecurity. 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.
Accenture Federal Services
Herndon, VA
The pay range for the states of California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Washington, Vermont, the District of Columbia, and the city of Cleveland is:$122,300—$203,200 USDWhat We BelieveAs a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Washington, Vermont, the District of Columbia, and the city of Cleveland.
Johns Hopkins Applied Physics Laboratory
Laurel, Maryland
The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. We seek experienced reverse engineers and developers who will build inventive cyber capabilities leveraging novel reverse engineering and exploitation techniques.
AECOM
$200000 - $270000
Washington, DC
Consequence-Driven, Cyber-Informed Engineering (CCE ACCELERATE) + AI-governance and/or AI-risk related training + 15 years of P&L ownership experience + Previous experience developing CPS service offerings + Previous experience developing and managing CPS-related managed services + Industry voices and distinction preferred, e.g. The ideal candidate brings deep operational technology (OT) domain expertise, experience building comparable practices, and the ability to engage senior public and private sector leaders on digital strategy, cyber-informed engineering, risk modernization, and cyber-physical program development.