Cyber Network Security Engineer CACI International IncCyber Network Security EngineerChantilly, VA$94,400–$198,200 / yearQualifications: Required: Approximately seven years of experience as an infrastructure operator Proficiency working in a Linux environment - Centos, Ubuntu, Fedora, Solaris, Backtrack Database experience, to include writing complex queries and modifying schemas (e.g. You'll evaluate tools and methodologies, assess adversary intent, develop cybersecurity analytics and other techniques to thwart or detect attacks, develop approaches to automate cybersecurity operations, and engage in research to improve the state of the practice.
Cyber Systems Engineering, Advisor - TS/SCI w/Poly PeratonCyber Systems Engineering, Advisor - TS/SCI w/PolyLaurel, Maryland$135,000–$216,000 / yearFull timeThis role operates at the intersection of enterprise networking, cloud infrastructure, and real-time operations, ensuring the availability, performance, and security of systems supporting national intelligence missions. We combine deep domain expertise in cyber, signals intelligence, cloud, and network operations with a mission-first mindset—enabling our teams to deliver capabilities that directly impact real-world operations.
NewSystems Engineer 4 GormatSystems Engineer 4Annapolis Junction, MDFull timeLeverage your interpersonal skills to foster relationship development with our customers to gain additional insights, information, and documentation to improve our ability to accomplish our missionRequired Qualifications:The Lead System Engineer will have minimum 15 years of System Engineering experience (BS Degree in STEM will account for 4 years and MS in STEM will count for additional 2 years)Relevant BS degree in STEM field6 years as a System Engineer lead with experience leading, managing, and collaborating with broad range of organizations and groups and teamsZero Trust experienceDesired Qualifications:Cybersecurity certification (Sec+, CISSP, CEH, etc)Familiarity with NIST SP 800-160Familiarity with INCOSE defined life cycle systems engineering processesExperience with / knowledge of large-scale DOD SystemsTS/SCI with polygraph is required. Perform long term, in depth vulnerability assessments leveraging systems engineering principals and knowledge, utilizing any available information, including architecture diagrams, build specifications, design documentation, and systems architecturePerform independent verification & validation of security requirements and capabilities.
System Engineer (Multiple Levels) Vets HiredSystem Engineer (Multiple Levels)MarylandThe ideal candidate brings strong requirements management, architectural analysis, and cross-functional collaboration skills to support complex system development across the full lifecycle. Develop derived requirements for Information Assurance and Security Services , including confidentiality, integrity, availability, authentication, access control, cryptography, and key management.
Senior Principal Reverse Engineer Nightwing Intelligence SolutionsSenior Principal Reverse EngineerSterling, Virginia$122,000–$253,000 / yearThis position requires deep technical knowledge of proprietary hardware systems, exploitation methodologies, and defensive strategies to support forensic investigations of compromised edge devices and systems where threat actors have embedded malware deeply within hardware components. Nightwing is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution.
Systems Engineer 2 Nightwing Intelligence SolutionsSystems Engineer 2Annapolis Junction, Maryland$122,000–$253,000 / yearBasic Qualifications: Typically requires bachelor’s degree in computer science or related discipline from an accredited college or university and Fourteen 14 years’ experience as a SE in programs and contracts of similar scope, type and complexity. Technologies/skills: Understanding of agile processes, Java, confluence, Jira, SE models, AWS, requirements, architecture designs, clear and concise communications, collaborative working style with internal and external stakeholders.
Software Engineer 2 Nightwing Intelligence SolutionsSoftware Engineer 2Annapolis Junction, Maryland$122,000–$253,000 / yearTypically requires bachelor’s degree in computer science or related discipline from an accredited college or university and fourteen (14) years’ experience as a SWE on programs and contracts of similar scope, type, and complexity. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization.
Cybersecurity Validator (IV&V) / Active Secret Peraton IncCybersecurity Validator (IV&V) / Active SecretVA$104,000–$166,000 / yearWhat you will do: As a Independent Verification and Validation Specialist (Validator), you will work with a team responsible for validating system compliance with RMF Framework, DOD/Navy/USMC/MCCOG/HCS cybersecurity requirements for systems in the hybrid-, multi-cloud enterprise environment. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
Threat Detection & Response Engineer, Senior (High Level Clearance Required) ICFThreat Detection & Response Engineer, Senior (High Level Clearance Required)Arlington, VirginiaPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. ICF is actively recruiting for an experienced Senior Threat Detection & Response Engineer to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems.
Sr. Computer Engineer ISSO Amentum Services IncSr. Computer Engineer ISSOWashington, DC$110,000–$150,000 / yearSupport (prepare, review, and present) the Program Office''s DoW Acquisition process in the development of the Objective Quality Evidence (OQE) (i.e. Cyber Security Strategy, GAO responses, Clinger Cohen Act, Cyber Test & Evaluation Strategy, etc.) for multiple programs, in compliance with SSP Regulations. Additional responsibilities include: In alignment with the Risk Management Framework (RMF), implement security controls, document security measures, oversee the security posture of information systems operating under Interim Authorization to Test (IATT), preparing authorization packages, and working with various stakeholders to ensure the system''s security.
Sr. Computer Engineer ISSO AmentumSr. Computer Engineer ISSOWashingtonSupport (prepare, review, and present) the Program Office's DoW Acquisition process in the development of the Objective Quality Evidence (OQE) (i.e. Cyber Security Strategy, GAO responses, Clinger Cohen Act, Cyber Test & Evaluation Strategy, etc.) for multiple programs, in compliance with SSP Regulations. Additional responsibilities include: In alignment with the Risk Management Framework (RMF), implement security controls, document security measures, oversee the security posture of information systems operating under Interim Authorization to Test (IATT), preparing authorization packages, and working with various stakeholders to ensure the system's security.
Software Engineer - Multiple Levels - 26302 HII Mission Technologies DivisionSoftware Engineer - Multiple Levels - 26302Columbia, MD$72,209–$175,204 / yearSystem design and software implementation of proof-of-concept prototypes incorporating a variety of engineering disciplines: control theory, software development, signal/video processing, pattern recognition, machine learning, artificial intelligence, high performance computing, applied mathematics, network/web services, and visualization. Senior Software Engineer (Software Engineer 3): 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.
Senior Consultant, Strategy, Growth, and Transformation, Identity & Gen AI Engineer Deloitte Touche Tohmatsu LtdSenior Consultant, Strategy, Growth, and Transformation, Identity & Gen AI EngineerBaltimore, MD$105,400–$207,800 / year1+ year of hands-on experience building, integrating, or deploying generative AI solutions such as large language model (LLM) applications, retrieval-augmented generation (RAG), or AI agents, including use of model APIs, orchestration frameworks, and AI development tools such as Claude Code, OpenAI Codex, GitHub Copilot, or Cursor. As an Identity & Gen AI Engineer, you will build generative AI solutions with identity, access, and trust engineered in from the start, securing both human and non-human identities and governing how AI agents and GenAI platforms reach data and downstream systems.
Full Stack Software Engineer - TS/SCI w/ Poly Required Parsons CorpFull Stack Software Engineer - TS/SCI w/ Poly RequiredAnnapolis Junction, MD$125,100–$225,200 / yearWhat You'll Be Doing: Work as part of an extended team to define and design systems to meet information protection needs and continually assess systems effectiveness in defense of emerging threats. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation''s most critical assets, from Earth to cyberspace.
Lead Systems Engineer - TS/SCI ParsonsLead Systems Engineer - TS/SCICentreville, Virginia$148,300–$266,900 / yearDefine and guide the effort to develop and maintain system design documents, product documents, interface control documents, configuration baselines, architecture diagrams, and technical manuals as needed. You will help the team evolve a TRL-5 prototype system into a TRL-8 product in support of a classified customer pilot deployment as part of a newly formed and growing cyber solutions line of business.
NewLead Firewall Engineer Abile Group, Inc.Lead Firewall 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.
Palo Alto Engineer (Secret Clearance) Deloitte Touche Tohmatsu LtdPalo Alto Engineer (Secret Clearance)Arlington, VA$107,925–$188,000 / yearThe wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. Serving federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise.
Cloud Engineer Amatriot Group, LLCCloud EngineerLinthicum Heights, MD$100,000–$165,000 / yearDesign and implement secure, scalable, and highly available cloud solutions on Azure Government, utilizing PaaS/IaaS services and containerization (Kubernetes, Docker, AKS). A degree in one of the following fields is highly desired: Information Technology, Data Science, Computer Science, Cybersecurity, Information Systems, or Software Engineering.
Geospatial Systems Engineer - TS/SCI with Polygraph General Dynamics Information TechnologyGeospatial Systems Engineer - TS/SCI with PolygraphBethesda, 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. Education : Bachelors Degree (Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Information Technology, Cybersecurity, or a closely related discipline).
Systems Engineer, Senior Parsons CorpSystems Engineer, SeniorAnnapolis Junction, MD$148,300–$266,900 / yearPerform long term, in depth vulnerability assessments leveraging systems engineering principals and knowledge, utilizing any available information, including architecture diagrams, build specifications, design documentation, and systems architecture. In this role you will: Perform cybersecurity assessments of large-scale DOD systems, utilizing an OCO (Offensive Cyber Operations) mindset to perform DCO (Defensive Cyber Operations) activities.