Sr Information Systems Security Engineer (ISSE) - VRT, Advisor - TS/SCI w/poly PeratonSr Information Systems Security Engineer (ISSE) - VRT, Advisor - TS/SCI w/polyWashington, D.C.$146,000–$234,000 / yearFull timeServe as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts. 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.
NewSr Information Systems Security Engineer (ISSE), Advisor - TS/SCI w/poly PeratonSr Information Systems Security Engineer (ISSE), Advisor - TS/SCI w/polyWashington, D.C.$146,000–$234,000 / yearFull timeServe as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts. 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.
Senior Cyber Tools Architect/Engineer ASRC Federal Holding CompanySenior Cyber Tools Architect/EngineerVAThe ideal candidate will serve as the technical authority for cybersecurity tools, platforms, and frameworks, responsible for defining, designing, and enhancing enterprise-wide security architectures that protect our organizations critical assets, data, and systems across complex, hybrid, and multi-cloud environments. Minimum Requirements: Experience: Minimum of 10 years of progressive experience in cybersecurity architecture and engineering, with at least 5 years of hands-on experience designing and implementing enterprise security tools and platforms in large-scale, complex environments.
NewInformation Systems Security Engineer (ISSE) - SME/Cloud-based, Senior Advisor - TS/SCI w/poly PeratonInformation Systems Security Engineer (ISSE) - SME/Cloud-based, Senior Advisor - TS/SCI w/polyWashington, D.C.$176,000–$282,000 / yearFull timeBenefits: Peraton offers enhanced benefits to employees supporting 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 eligibility to participate in an attractive bonus plan. Serve as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts.
Principal Cyber Engineer ManTech International CorpPrincipal Cyber EngineerChantilly, VA$141,500–$236,000 / yearLead complex network troubleshooting and root cause analysis across enterprise, data center, cloud, and hybrid environments, utilizing packet captures, routing analysis, traffic flow inspection, and protocol level diagnostics to rapidly identify and resolve service-impacting issues. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.
Information System Security Engineer ManTech International CorpInformation System Security EngineerVAHold at least one of the following certifications: Certified Information Systems Security Professional (CISSP) (or Associate), CompTIA Advanced Security Practitioner (CASP) CE, Certified Secure Software Lifecycle Professional (CSSLP), CISSP- Information System Security Engineering Professional (ISSEP), or CISSP- Information System Security Architecture Professional (ISSAP). Minimum Qualifications: Must meet one of the following levels of experience: A high school diploma/GED and 14 years' experience, an Associate's degree and 7 years' experience, a Bachelors degree and five years' experience, or a Master's and 3 years' experience.
Cloud Security Engineer CACI International Inc.Cloud Security EngineerWashington, DC$103,800–$218,100 / yearResponsibilities: Deploy and manage Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), Firewalls, virtual machines (VMDK, OVF, OVA, and QEMU), including cloud-based images (e.g., AMIs, Azure Virtual Machine Images), virtual networking (OVS, AWS, Azure, VMWare, Nutanix, Virtual Box), and physical networks (CISCO and Arista), as well as forensic tools (Encase, Axiom, etc.). The Opportunity:The Cyber Engineering team is responsible for cybersecurity infrastructure, providing guidance, consultation, research, and technical information on capabilities, connections, limitations, and risks; utilize Senior knowledge to recommend improvements and changes to security posture, capability deployment, focus areas for threats & vulnerabilities.
Forward Deployed Engineer (East Asia) PRIVATE TECH INCForward Deployed Engineer (East Asia)Washington, DC$175,000–$235,000 / yearIn a world of demo-ware and big promises, an FDE delivers tangible outcomes: they embed with federal customers, translate ambiguous mission needs into working software, and feed hard-won demand signal back into product and engineering. Translate customer mission requirements into clear, prioritized engineering asks; then work alongside the broader engineering team to build the features that address them; translate engineering constraints back into language program officers and operators can act on.
Forward Deployed Engineer (Federal) PRIVATE TECH INCForward Deployed Engineer (Federal)Washington, DC$175,000–$235,000 / yearIn a world of demo-ware and big promises, an FDE delivers tangible outcomes: they embed with federal customers, translate ambiguous mission needs into working software, and feed hard-won demand signal back into product and engineering. Our journey began when our founder recognized a critical vulnerability in our modern world: everyone relies on the same stagnant cellular infrastructure and legacy systems that track our every movement, monitor and profile our connections, and lose and sell our personal data.
Information Systems Security Engineer ( ISSE) CACI International IncInformation Systems Security Engineer ( ISSE)Columbia, MD$120,800–$265,800 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Qualifications: Required: Twelve (12) years' experience as an ISSE on programs and contracts of similar scope, type, and complexity to include recent experience within the last five (5) years with Cybersecurity principles and technology, including: Access/control.
Information Systems Security Engineer The Josef GroupInformation Systems Security EngineerChantilly, VirginiaDevelop, implement, and/or integrate Information Assurance (IA) and security systems, including those for networking, computing, virtualization, cloud, and enclave environments, to include those with multiple enclaves and with differing data protection/classification requirements. 8+ years of experience supporting highly secure cybersecurity systems, including ATO processing, A&A documentation, networking operations, and security control analysis/remediation.
DPAE Aircraft Carriers Sr Cyber Security Architect CACI International IncDPAE Aircraft Carriers Sr Cyber Security ArchitectWashington, DC$113,200–$237,800 / yearMulti-Agency Collaboration: Collaborate closely with Portfolio Acquisition Executives, Engineering Agents, Technical Warrant Holders (TWHs), Type Commanders (TYCOM), the Supervisor of Shipbuilding (SUPSHIP), shipbuilders, and cybersecurity enclave managers. Data-Centric Analytics: Leverage data-centric cyber analytics and work directly with Digital Operations teams to stream continuous insights, streamline data processes, and recommend enabling technologies that harden system cybersecurity and operational readiness.
Dpae Aircraft Carriers Sr Cyber Security Architect CACI International Inc.Dpae Aircraft Carriers Sr Cyber Security ArchitectWashington, DC$113,200–$237,800 / yearMulti-Agency Collaboration: Collaborate closely with Portfolio Acquisition Executives, Engineering Agents, Technical Warrant Holders (TWHs), Type Commanders (TYCOM), the Supervisor of Shipbuilding (SUPSHIP), shipbuilders, and cybersecurity enclave managers. Data-Centric Analytics: Leverage data-centric cyber analytics and work directly with Digital Operations teams to stream continuous insights, streamline data processes, and recommend enabling technologies that harden system cybersecurity and operational readiness.
ZERO TRUST (ZT) PROCESS RE-ENGINEER SME Hiring Our HeroesZERO TRUST (ZT) PROCESS RE-ENGINEER SMEArlington, VAFull timeLeverage AI-assisted analysis tools, automation platforms, and prompt engineering techniques to enhance advisory productivity, accelerate gap analysis and documentation tasks, and enable focus on higher-value technical advisory work; apply all AI capabilities in accordance with agency acceptable use policies and Zermount's ethical AI use guidelines. ZERO TRUST (ZT) PROCESS RE-ENGINEERING SME POSITION OVERVIEW The Zero Trust Process Re-Engineering SME exists to provide senior-level advisory expertise in assessing, analyzing, and re-engineering the agency's enterprise IT and cybersecurity processes to advance its Zero Trust implementation.
Senior AI/ML Data Engineer The Boeing CoSenior AI/ML Data EngineerWashington, DC$242,000–$305,000 / yearThis role requires a seasoned engineer capable of communicating complex technical concepts and architectural tradeoffs to senior leaders, helping leadership teams understand the operational, mission, security, and business implications of emerging AI technologies while driving successful implementation of enterprise capabilities. With extensive experience delivering AI and machine learning solutions in complex enterprise environments, you will serve as a technical leader responsible for architecting the data ecosystem that powers vector search, Retrieval-Augmented Generation (RAG), large language model (LLM) applications, and emerging Agentic AI capabilities.
Information Systems Security Engineer (ISSE) LV8D Solutions LLCInformation Systems Security Engineer (ISSE)Chantilly, VirginiaInterested candidates must be knowledgeable of best practices when implementing security controls including software engineering methodologies, security engineering methodologies, security engineering principles, and secure coding techniques and coordinate activities with Assessment and Authorization (A&A) stakeholders. LV8D Solutions is an elite Systems Engineering and Technical Advisory (SETA) company that delivers advanced systems engineering, integration, acquisition, mission operations, network communications, and cybersecurity support to our defense and intelligence customers.
Senior Reverse Engineer STRSenior Reverse EngineerArlington, VA$134,000–$184,000 / yearReverse engineering complex software or firmware targets, ranging from typical Windows/Linux binaries to embedded firmware running non-traditional computer architectures and operating systems. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.
Software Reverse Engineer STRSoftware Reverse EngineerArlington, VA$112,000–$154,000 / yearReverse engineering complex software or firmware targets, ranging from typical Windows/Linux binaries to embedded firmware running non-traditional computer architectures and operating systems. Working in multi-discipline teams to tackle challenging problems from a wide variety of technologies to develop innovative cybersecurity solutions.
Principal Software Reverse Engineer STRPrincipal Software Reverse EngineerArlington, VA$204,000–$284,000 / yearReverse engineering complex software or firmware targets, ranging from typical Windows/Linux binaries to embedded firmware running non-traditional computer architectures and operating systems. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.
Cyber Reverse Engineer/Vulnerability Researcher RTXCyber Reverse Engineer/Vulnerability ResearcherColumbia, MarylandAs part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. Active and existing security clearance required on day 1 RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide.