Senior Network Engineer VTGSenior Network EngineerChantilly, VirginiaFull timeCandidate should be able to define internal and external customer IT infrastructure and architecture needs and then design solutions to meet those needs including capacity planning, systems configuration and tuning, monitoring network performance, and installations of hardware/software. Overview: VTG is seeking a Network Engineer V to strategically safeguard critical national security interests by leveraging advanced network intelligence and precision-targeted cyber capabilities.
SME Hardware Reverse Engineer Solutions³ LLCSME Hardware Reverse EngineerArlington, VAFull timeSolutions³ LLC is seeking an experienced and technically proficient Subject Matter Expert (SME) Hardware Reverse Engineer to provide specialized expertise in hardware reverse engineering focused on operational technology (OT) and industrial control systems. This 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.
AI/CNO Engineer REDLatticeAI/CNO EngineerDulles, VAIn this role, you’ll evaluate, deploy, and operationalize cutting-edge large language models (LLMs) in air-gapped environments, enabling development and vulnerability research teams to leverage AI effectively and securely. With offices in Northern Virginia, Melbourne, Florida, Tel Aviv, Israel, and other strategic locations, REDLattice is growing rapidly to meet the evolving needs of our customers.
Mobile Malware Engineer Peraton IncMobile Malware EngineerLinthicum, MD$135,000–$216,000 / yearUsing expertise in malware reverse engineering and analysis, the engineer will evaluate complex malicious code through tools including disassemblers, debuggers, hex editors, unpackers, virtual machines, and network sniffers. The engineer will investigate instances of malicious code to determine attack vectors, payloads, and the extent of damage and data exfiltration - delivering actionable intelligence products that directly support national security missions.
Information System Security Professionals Isso Isse Leidos Holdings Inc.Information System Security Professionals Isso IsseFort Meade, MD$131,300–$237,350 / yearOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Apply system security engineering expertise in areas such as system security design, life cycle, risk management, and security testing, using industry system security engineering methodologies.
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.
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.
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.
Senior Information Systems Security Engineer ECS Federal LLCSenior Information Systems Security EngineerWashington, DCDevelop, review, and improve RMF and SAA artifacts, including System Security Plans, control implementation descriptions, security assessment plans, security test plans, risk assessments, POA&Ms, continuous monitoring artifacts, inventories, network diagrams, data flow diagrams, and authorization packages. This role provides senior-level cybersecurity engineering support for Security Assessment and Authorization, Risk Management Framework execution, technical control implementation, security assessment, continuous monitoring, vulnerability remediation, audit readiness, and risk management for federal information systems.
Senior Cybersecurity Researcher Two Six Technologies IncSenior Cybersecurity ResearcherHerndon, VA$130,778–$196,167 / yearOur customers rely on us to deliver mission-critical security solutions, and we're looking for a Senior Software Reverse Engineer who thrives on reverse engineering embedded systems, discovering security weaknesses, and developing innovative proof-of-concept exploits. Experience developing, debugging, and scripting in C/C++ and Python within Linux command-line environments, with a strong emphasis on low-level programming, memory management, and system interaction for reverse engineering and vulnerability research.
Information Systems Security Engineer 3 ItezzInformation Systems Security Engineer 3Annapolis Junction, MarylandTwenty (20) 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, authorization, identification and authentication, PKI, network and enterprise security architecture is required. Support 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.
Systems Engineer Senior - Clearance Required Lockheed Martin CorpSystems Engineer Senior - Clearance RequiredHanover, MD$123,500–$217,695 / yearBasic Qualifications: High School Diploma plus 13 years of relevant experience is required OR Bachelor's degree in Systems Engineering, Information Technology, Computer Science, or related discipline from an accredited college or university, plus 10 years of relevant experience is required OR Master's degree in Systems Engineering, Information Technology, Computer Science, or related discipline from an accredited college or university, plus 8 years of relevant experience is required. As a Systems Engineer Senior you will provide Cyberspace Operations Support Services (COSS) aligned with the following core disciplines: Cyberspace Operations, Cyberspace Planning, Cyberspace Training and Exercises, Strategy / Policy / Doctrine Development and Campaign, Assessments, Information Technology (IT) / Communications, Business Area Support and Project Management Engagement Activities.
Lead Security Engineer Revolutional, LLCLead Security EngineerWashington, DC$140,000–$200,000 / yearWe apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. This program is driving a large-scale transformation of systems into a data-centric, cloud-native ecosystem capable of supporting high-volume, near real-time data processing and advanced analytics.
Machine Learning Engineer J5 ConsultingMachine Learning EngineerHerndonFull timeDemonstrated experience designing, creating tables, views, relationships, and scripting (SQL) with database systems (e.g., Oracle, MySQL, PostgreSQL, SQL, NOSQL, and/or structured and unstructured data). The Sponsor also seeks to build a skills inventory, which will eventually integrate with other Sponsor’s systems, capturing both position skill requirements and competency levels, as well as personnel skill and competencies.
CNO Software Engineer Level 2 AdapticCNO Software Engineer Level 2Annapolis Junction, MDSupporting the DoD and Intelligence Community, you'll work alongside Red, Blue, and Hunt teams to develop, enhance, and sustain tools used to detect, analyze, and defend against evolving threats. This role is ideal for experienced engineers who are ready to lead development efforts, influence system design, and drive technical solutions that directly impact mission success.
ISSE 3 - Information Systems Security Engineer InisCore TechnologiesISSE 3 - Information Systems Security EngineerAnnapolis Junction, MarylandRequired Skills Twenty (20) 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, authorization, identification and authentication, PKI, network and enterprise security architecture is required. Participate as the primary security engineering representative on engineering teams for the design, development, implementation, evaluation, and/or integration of Cybersecurity architectures, systems, or system components.
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.
Information Systems Security Engineer (ISSE) TS/SCI w/Poly Peraton IncInformation Systems Security Engineer (ISSE) TS/SCI w/PolyAnnapolis Junction, MD$146,000–$234,000 / yearResponsibilities: As an Information Systems Security Engineer (ISSE), you will play a key role in securing complex systems, ensuring compliance with federal cybersecurity frameworks, and protecting sensitive information. 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 Principal Cyber Security Engineer ManTechSenior Principal Cyber Security EngineerChantilly, VAThis 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.
Security Engineer Logging and Aggregation - Secret VMD CorpSecurity Engineer Logging and Aggregation - SecretAlexandria, VA$94,000–$149,000 / yearThis 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. Xcelerate Solutions is seeking a Security Engineer – Logging and Aggregation to support Cyber Primes cybersecurity, privacy, records and information management, and related enterprise support for DHRA, including DMDC and OUSD(P&R).