Security Engineer (Web Application) gTANGIBLE CorporationSecurity Engineer (Web Application)Arlington, VirginiaConducts security testing of web applications, web services, end points, (and other web-related assets) using both Information Assurance & Cybersecurity Division ( IAD ) -provided automated testing tools and manual testing techniques. The Security En gineer (Web Application) supports this Transportation Security Administration Information Technology (TSA IT) Task Order (TO) by web application testing that require testing both via automated tools and with manual testing techniques.
Program Manager / Cyber Operations Analyst Sr. Bluehawk LLCProgram Manager / Cyber Operations Analyst Sr.VABLUEHAWK, LLC is a professional services firm providing intelligence, information technology, language, and training services to the U.S. Government and commercial entities with objectives to protect and defend our nation, citizens, natural resources, critical Infrastructure, freedoms, and human rights. The ideal candidate will possess strong experience leading cyber assessment activities, managing operational priorities, coordinating with government stakeholders, and supporting enterprise-level intelligence and cybersecurity missions.
Senior Elastic Architect/Engineer ASRC Federal Holding CompanySenior Elastic Architect/EngineerVAThis position focuses on architecting solutions for large-scale data ingestion, real-time search and analytics, and visualization to maintain a strong data-driven decision-making capability and adhere to relevant data governance policies. The Elastic Architect/Engineer will collaborate with cybersecurity professionals, engineers, and IT staff to build and enhance data pipelines, create insightful dashboards, and improve the overall data platform.
Subject Matter Expert Software Engineer w/Top Secret Clearance TekSynap CorpSubject Matter Expert Software Engineer w/Top Secret ClearanceVAEducation: Bachelors degree in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, Computer and Information Security, Computer Security, Computer Forensics or other closely related degree from an accredited university or college. Clearance: Must have a current, active Top Secret security clearance with the capability to obtain Sensitive Compartmented Information (SCI).
Senior Adversarial AI Engineer Mitre CorpSenior Adversarial AI EngineerMcLean, VA$143,600–$179,500 / yearBasic Qualifications: Typically requires a minimum of 5 years of experience in artificial intelligence with a Bachelor's degree in a relevant field; or 3 years and a Master's degree; or a PhD with relevant experience who can immediately contribute at this job step; or equivalent combination of AI-related education and work experience. The TSAI Department supports our sponsors' missions by delivering capabilities for securing and increasing trust in AI-enabled systems, including data driven AI risk awareness and mitigation, AI red teaming, and trusted tools and techniques for applying AI in high consequence environments.
Unified Communications Engineer PeratonUnified Communications EngineerWashington, D.C.$135,000–$216,000 / yearFull timeThe ideal candidate will possess deep expertise in secure voice, video teleconferencing (VTC), VoSIP, H.323/SIP architectures, and classified communications environments supporting national security missions. The successful candidate will collaborate closely with cybersecurity, TEMPEST, TAPS, facilities, and Intelligence Community working groups to ensure communications systems meet all operational, technical, and security compliance requirements.
Lead Digital Investigations Engineer Mitre CorpLead Digital Investigations EngineerMcLean, VA$158,800–$198,500 / yearBasic Qualifications: Typically requires a minimum of 8 years of related experience with a Bachelor's degree; or 6 years and a Master's degree; or a PhD with 3 years' experience; or equivalent combination of related education and work experience. MITRE's Digital Investigations Department (L515) delivers innovative technical solutions and capabilities primarily focused on support to law enforcement and investigative cyber operations conducted by sponsors, most notably within DOJ, DHS, and DoW.
Senior Network Engineer – Cisco & Zero Trust Architecture IMRI Technology & Engineering SolutionsSenior Network Engineer – Cisco & Zero Trust ArchitectureAshburn, VirginiaGuided by our core values of innovation, excellence, and a solution-driven mindset, we have served a diverse portfolio of customers that includes federal agencies, state and local governments, and Fortune 1000 companies. This role is responsible for leading the design, implementation, and sustainment of secure, enterprise network architectures built on Cisco technologies and aligned with Zero Trust principles.
NewSenior Information Systems Security Officer LinTech GlobalSenior Information Systems Security OfficerWashington, DCFull timePosition Overview:The Senior ISSO serves as the day-to-day cybersecurity lead for assigned systems and acts as the principal interface between:System Owners Program Managers System Administrators Security Engineers ISSMs Security Control Assessors (SCAs) Authorizing Officials The position ensures systems remain compliant, authorized, and secure throughout their operational lifecycle. This plan is available for inspection upon request.http://Lintechglobal.com/wp-content/uploads/2017/09/poster_screen_reader_optimized.pdfThis role requires an active Top Secret Security Clearance, customer approval, and successful completion of a pre-employment background screening.
Software Application Support Engineer ManTech International CorpSoftware Application Support EngineerHerndon, VAMinimum Qualifications: Bachelor's degree in Information Technology, or Computer Science, or Management Information Systems (MIS) or in equivalent technology degree and 4+ years of experience in a technical support role specifically supporting software applications, SaaS products, or web-based platforms or High School Diploma and 10 + years of experience. Replicate and document verified software defects with clear technical evidence (logs, reproduction steps, environment details) for escalation to the Product and QA engineering teams.
Senior Microsoft Cloud Engineer Ardent Management ConsultingSenior Microsoft Cloud EngineerWashington, DCPosition Description: Ardent is seeking a Senior Microsoft Cloud Engineer to provide advanced engineering, operational, and advisory support for enterprise Microsoft cloud environments, including Microsoft 365, Azure, and Microsoft Security platforms. This role is responsible for designing, implementing, maintaining, and optimizing secure cloud services aligned with NIST SP 800-53, NIST SP 800-207 (Zero Trust Architecture), and FedRAMP Moderate requirements.
Vulnerability Engineer BDR Solutions LLCVulnerability EngineerWashington, DC$100,000–$130,000 / yearThe individual will work closely with technical leads, infrastructure and operations teams and other cross-department teams to evaluate business needs and provide end-to-end technical solutions and manage, operate, monitor, audit, secure server assets. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.
Actionet, Inc. Careers - Wireless Engineer W Travel - Secret Clearance ActioNet, Inc.Actionet, Inc. Careers - Wireless Engineer W Travel - Secret ClearanceVienna, VARemoteOverview: The Wireless Engineer designs, installs, optimizes, and maintains mobile broadband, cellular, and WLAN systems across enterprise Base Area Networks (BAN). The Wireless Engineer supports the design, deployment, and optimization of 4G LTE and 5G NR (New Radio) wireless solutions across enterprise and mission environments, ensuring resilient broadband connectivity and low‑latency performance for critical applications.
Sr. Network Engineer Applied Network SolutionsSr. Network EngineerChantilly, VA$100,000–$200,000 / yearMust be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2. Experience specific to network engineering to include Tier III or higher network operations and/or network design and implementation. Use our private test lab to evaluate new technologies and capabilities, test proposed changes to production networks, and recreate troubleshooting scenarios to support the production enterprise network.
Data Engineer IMAGINEEER LLCData EngineerArlington, VAFull timeImagineeer is seeking a Data Engineer to support the design, development, and maintenance of secure, compliant data pipelines and enterprise data platforms within DoD and federal healthcare environments. You will operate in regulated IL4/IL5 cloud environments and work directly with data architects, cybersecurity teams, and data scientists to deliver trusted, audit-ready data infrastructure.
Wireless Engineer w Travel - SECRET Clearance ActioNet IncWireless Engineer w Travel - SECRET ClearanceWashington, DCRemoteOverview: The Wireless Engineer designs, installs, optimizes, and maintains mobile broadband, cellular, and WLAN systems across enterprise Base Area Networks (BAN). The Wireless Engineer supports the design, deployment, and optimization of 4G LTE and 5G NR (New Radio) wireless solutions across enterprise and mission environments, ensuring resilient broadband connectivity and low‑latency performance for critical applications.
Windows CNO Software Engineer Lockheed Martin CorpWindows CNO Software EngineerHerndon, VAWhy the CNO Developer role at Lockheed Martin Space: Mission critical impact: Develop state-of-the-art tools and platforms that help our customers to gather intelligence, protect critical infrastructure and outpace evolving threats. We are seeking Cyber Network Operations (CNO) Windows Developers who want to solve technical challenges and build tools used in real-world applications.
NewLead Cyber Defense Incident Responder On-site - TS/SCI S2i2 IncLead Cyber Defense Incident Responder On-site - TS/SCIArlington, VAFull timeJob TitleLead Cyber Defense Incident ResponderClearanceTS/SCI (active, required)LocationArlington, VA On-siteSalary Range$175,000 to $180,000Certification RequiredDoD 8570 / DoD 8140 IAT Level IIOne of the following: Security+ CE, CCNA-Security, CySA+, GICSP, GSEC, or equivalentApplication DeadlineAugust 31, 2026 Description:The Cyber Defense Incident Responder (Advanced) is a highly experienced, analytical professional who performs hands-on technical work while guiding and directing senior and mid-level analysts. Technical translation: ability to clearly explain highly complex cybersecurity incidents, TTPs, and risks to both technical peers and non-technical decision-makers.- Project and case management: proven ability to independently manage multiple complex incident investigations or research projects simultaneously, demonstrating high accountability, personal initiative, and integrity.-
Sr. Staff Site Reliability Engineer-Federal, Security Clearance Zscaler, Inc.Sr. Staff Site Reliability Engineer-Federal, Security ClearanceArlington, VA$140,000–$200,000 / yearThe range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.
Senior Embedded Hardware Security Engineer The MITRE CorporationSenior Embedded Hardware Security EngineerMclean, VA$126,800–$158,500 / yearQualified candidates will join a department with deep technical expertise across many embedded security disciplines including software vulnerability research and reverse engineering, hardware reverse engineering, secure computing, implementation security, and wireless security. Basic Qualifications: Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, or a related technical field and 5 years of related experience; or Master's degree/PhD in a similar field and 3 years of related experience.