NewEndpoint Security Engineer Abile Group, Inc.Endpoint Security EngineerSpringfield, VirginiaAbile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005. With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile’s broad technical capabilities.
Sr. Cyber Security Engineer Seneca HoldingsSr. Cyber Security EngineerChantilly, Virginia$135,000–$220,000 / yearThis team member will work to engineer, design, and sustain Comply-to-Connect (C2C) deployment support to migrate and maintain critical services across unclassified and classified environments. Experience deploying enterprise security software products including but not limited to firewalls, IPS, Anti-Virus, and network management systems.
Cyber Security Engineer SME Abacus TechnologyCyber Security Engineer SMEWashington, Washington, DCDevelop 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.
Cyber Security Engineer - TS/SCI with Polygraph General Dynamics Information TechnologyCyber Security Engineer - TS/SCI with PolygraphHerndon, VirginiaThe successful candidate will have proven experience communicating effectively with a variety of business partners and customers and have a demonstrated capacity to develop effective interpersonal relationships; strong analytic and organization skills; self-starter attitude; the ability to work effectively and independently, with little direction; and the ability to prioritize and handle multiple tasks simultaneously. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
NewIT Network Security Team Lead General Dynamics Information TechnologyIT Network Security Team LeadBethesda, MarylandTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. This role is responsible for overseeing the implementation and enforcement of cybersecurity policies, managing a team of IT security professionals, and coordinating cross-functional efforts to protect the integrity of NLM’s infrastructure.
Information Systems Security Engineer Level 1 (ISSE 1) ARSIEMInformation Systems Security Engineer Level 1 (ISSE 1)Columbia, MDSupport security authorization activities in compliance with NSA/CSS Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF), the NIST Risk Management Framework (RMF) process, and prescribed NSA/CSS business processes for security engineering designs. ARSIEM is currently looking for an Information Systems Security Engineer 1 to participate as a security engineering representative on engineering teams for the design, development, implementation, and/or integration of secure networking, computing, and enclave environments.
Information Systems Security Engineer-(TS/SC w/Poly)-Chantilly, VA iSenpaiInformation Systems Security Engineer-(TS/SC w/Poly)-Chantilly, VAChantilly, VirginiaInformation Systems Security Engineer (ISSE)-TS/SCI W/Poly-Chantilly, VA Required Degree: Bachlor’s Degree Required Experience: 5+ years Required Clearance: TS/SCI with Poly Description: The Information System Security Engineer (ISSE) designs, implements, and manages security solutions for information systems. iSenpai is a Woman-Owned Small Business (WOSB) that provides enterprise IT and cyber security services, cloud technology, and data analytics solutions for US Government and commercial customers.
Staff Application Security Engineer The Nuclear CompanyStaff Application Security EngineerWashingtonWe expect every team member to continuously identify opportunities to automate workflows, enhance decision-making, improve processes, and contribute to the ongoing evolution of NOS as a strategic operating capability that enables The Nuclear Company to scale with excellence. This is a high-ownership role for a builder who is equally comfortable reviewing application architecture, threat modeling an API, improving GitHub security controls, and partnering directly with engineers to ship secure software quickly.
(ISSE/ISSO) Information Systems Security Engineer (TS/SCI + CI Poly) TopClearedRecruiting(ISSE/ISSO) Information Systems Security Engineer (TS/SCI + CI Poly)Chantilly, VirginiaCoordinating with various contractor and staff personnel to obtain the A&A content, as well as working with various customer security organizations to navigate the customers A&A process in order to achieve Authority to Develop (ATD), Interim Authority to Operation (IATT), as well as Authority to Operate (ATO). Basic knowledge is helpful, but not required for the following general topics: Cloud security control implementation, PKI implementation, STIG compliance and vulnerability management, and Security Development and Operations (SecDevOps).
NewStaff Security Engineer Alarm.comStaff Security EngineerTysons Corner, VA$167,500–$180,500 / yearOur comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
NewSenior AI Engineer IntelliGenesisSenior AI EngineerReston, VA$215,000–$245,000 / yearDetermination of official compensation or salary relies on several different factors including, but not limited to: level of position, complexity of job responsibilities, geographic location, candidate’s scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements and alignment with local market data. A day in the life includes architecting scalable AI pipelines, deploying models to edge and cloud environments, integrating AI into cybersecurity workflows, and mentoring junior engineers.
NewQuality Engineer (Video) Alarm.comQuality Engineer (Video)Tysons Corner, VAOur comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
NewSenior Engineer Raft Company WebsiteSenior EngineerWashington, DC$150,000–$200,000 / yearCollaborate directly with software engineers to understand service architectures, dependencies, and runtime behavior, and contribute code-level changes where needed to improve deployability, reliability, or observability. Support and optimize data streaming and processing pipelines built on technologies such as Kafka, Kafka Streams, Flink, and Pinot, diagnosing bottlenecks, tuning configurations, and ensuring data integrity across the platform.
Jr Software Engineer Twenty80 LLCJr Software EngineerColumbia, MDIf you're passionate about understanding how software works at a low level, uncovering security flaws, and building impactful technical solutions, this opportunity offers the chance to work on challenging, mission-focused projects. Proven experience in vulnerability research, including identifying zero-day vulnerabilities, logic flaws, memory corruption issues, and other security weaknesses.
NewMechanical Engineer, PE exp FederalMechanical Engineer, PEChantilly, VA$119,800–$142,900 / yearBachelor's degree in architecture from an accredited university Candidates who do not have the appropriate bachelor’s degree for the position being advertised will be considered if they have completed a master’s degree in the required discipline from a program accredited by the Accreditation Board for Engineering and Technology (ABET) Candidates with foreign degrees are acceptable provided the degrees is from an ABET-accredited institution or an institution that ABET deems substantially equivalent. The purpose of this position is to provide the essential design, administrative reports, technical knowledge, and direction for the job functions listed below with the objective of ensuring exp’s competitiveness within the global marketplace by delivering quality services of unmatched value.
Sr. Cybersecurity Incident Response Specialist BERING STRAITS PROFESSIONAL SERVICES LLCSr. Cybersecurity Incident Response SpecialistWashington DC, DCParagon offers a wide range of environmental investigation, consulting, compliance, and remediation services as well as IT solutions, Facility O&M, Materiel Support, Supply and Security to both private- and public-sector clients throughout Alaska and the Continental U.S. Paragon’s experienced professional staff is dedicated to producing high-quality documentation and providing safe field execution to support its clients’ projects in line with local, state and federal guidelines and regulations. Member of the SOC team which provides 24 hours per day, 7 days per week, 365 days per year monitoring and incident response services for the organization’s Network, Systems, Applications, and Web services.
NewCivil Engineer, PE exp FederalCivil Engineer, PEChantilly, VA$118,700–$144,500 / yearActual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location. Should you need any special accommodations, please feel free to contact us at human.resources@expfederal.com and we will arrange for the most suitable accommodations based on your needs.
AV Engineer - Professional Freddie MacAV Engineer - ProfessionalMclean, VA$77,000–$115,000 / yearThis role serves as a hands-on technical resource for maintaining, troubleshooting, repairing, and documenting AV systems across corporate conference rooms, huddle rooms, configurable event spaces, collaboration areas, and executive meeting environments. Perform routine inspections, preventative maintenance, troubleshooting, and repair of AV systems throughout Freddie Mac spaces, including conference rooms, huddle rooms, configurable rooms, event spaces, and supported collaboration areas.
NewPlatform Engineer Select Search AssociatesPlatform EngineerChantilly, VirginiaCore Competencies - Technical Cluster Management: Extensive experience designing, deploying, securing, maintaining, and upgrading highly available, scalable Kubernetes clusters (e.g., EKS, AKS, GKE, OpenShift, or self-managed). Security: Expertise in securing Kubernetes environments, including RBAC, Pod Security Policies/Admission Controllers, vulnerability scanning, secret management (e.g., Vault, AWS Secrets Manager), and network security.
Satellite / SATCOM / 5G cellular / VHF Systems Engineer - Active Top Secret Required General Dynamics Information TechnologySatellite / SATCOM / 5G cellular / VHF Systems Engineer - Active Top Secret RequiredWashingtonConduct routine and emergency maintenance and repair actions on: Wideband Satellite Communications (SATCOM) equipment, Voice Over Internet Protocol (VOIP) endpoints, Ultra-high Frequency/Super-high Frequency/Very-high Frequency/High Frequency (UHF/SHF/VHF/HF) radio platforms, desktop and laptop computer terminals, fiber optic media converters and repeaters, and data equipment to include server hardware, keyboard video and mouse (KVM) terminals, routers, switches, and fiber distribution panels. Seize your opportunity to make a personal impact as a Systems Engineer supporting a world class maintenance program servicing a wide variety of data and voice communications equipment for our prestigious client at the highest levels of the federal government in the heart of our nation’s capital.