Senior Cybersecurity Engineer / Offensive Security Lead Apogee Global RMSSenior Cybersecurity Engineer / Offensive Security LeadArlington, VAApogee operates under the prime tier engagement where your offensive skill is respected, your time isn’t wasted, and your work directly supports national‑level missions. This role is designed for operators who bring hands‑on offensive tradecraft, current certifications, and recent red‑team experience in mission‑critical environments.
Senior Cybersecurity Software Engineer CACI International IncSenior Cybersecurity Software EngineerFairfax, VA$113,200–$237,800 / yearThe ideal candidate brings hands-on cyber engineering experience with cyber analytics and reverse engineering tactics on Kubernetes infrastructure, who thrives in fast-paced, complex environments, and has a proven track record of technical advancements in cyber engineering, cybersecurity engineering, analysis, and modern software deliverables. Responsibilities: Automate cybersecurity architecture within the infrastructure as code (IaC) for on-prem and distributed platforms and mission applications with end-to-end integrated Zero Trust capability to deliver high quality software outcomes.
Cybersecurity Software Engineer CACI International IncCybersecurity Software EngineerFairfax, VA$94,400–$198,200 / yearThe ideal candidate brings hands-on cyber engineering experience with cyber analytics and reverse engineering tactics on Kubernetes infrastructure, who thrives in fast-paced, complex environments, and has a proven track record of technical advancements in cyber engineering, cybersecurity engineering, analysis, and modern software deliverables. Pay 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.
Senior Principal Cyber Security Engineer ManTech International CorpSenior Principal Cyber Security EngineerChantilly, VA$179,300–$318,400 / yearThere 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. Occasionally moves about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers via email, phone, or virtual communication, which may involve delivering presentations.
Cyber Security Engineer (Remote) TandymCyber Security Engineer (Remote)Vienna, VirginiaRemote$60–$65 / hourThis role supports enterprise cybersecurity tools and infrastructure, with a focus on systems administration, vulnerability remediation, and secure platform maintenance. Experience working within ITIL-based operational processes including change, incident, problem, and configuration management.
Information Technology - Engineer, Cyber Security Sr Ampcus IncorporatedInformation Technology - Engineer, Cyber Security SrReston, VADirect experience mapping application and cloud native controls to frameworks such as NIST CSF, NIST 800-53, ISO 27001, SOC2, CIS Benchmarks, MITRE ATT&CK or similar frameworks. Hands-on experience securing AWS cloud environments, including strong understanding of IAM, networking, logging, monitoring, encryption, workload security, and cloud security posture management.
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.
Forward Deployed Engineer ManTech International CorpForward Deployed EngineerWashington, DC$141,500–$236,000 / yearThe Forward Deployed Engineer (FDE) will leverage their strong technical background and knowledge to support the Sponsor's system accreditation efforts, to include creating Body of Evidence (BOE) documentation, responding to/implementing/documenting required controls, and completing required tasks/actions. Responsibilities include but are not limited to: Lead complex end-to-end deployments of frontier models in production alongside strategic customers while managing technical delivery from prototype to stable production.
Software Engineer J5 ConsultingSoftware EngineerReston, VAThe successful candidate will collaborate with cross-functional teams to translate requirements into working software solutions, develop and integrate application components, and support deployment and operational activities in AWS or similar cloud platforms. This role is ideal for an engineer who enjoys hands-on coding, working across the full software development lifecycle, and deploying applications within modern cloud environments.
Platform Engineer Fantom CorporationPlatform EngineerChantilly, VirginiaEstablished in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services, and Cloud-certified practitioners. Fantom Corp is a Software Development, Agile Cloud, Software Development, Cyber Security (Risk Management, Assessments & Authorization (A&A)), Data, AI Platform (Computer Vision Models), Podcasting Media Services, and IT Services provider.
Systems Engineer VTGSystems EngineerChantilly, VirginiaFull timeOverview: VTG is seeking for a Systems Engineer for a technical development program supporting two Cloud-based applications, and their associated cloud infrastructures located on a secure network. The Systems Engineer will work with a large team of developers, software engineers, cybersecurity engineers, database administrators, and system architects.
AI Ops Engineer ValidaTekAI Ops EngineerFort Belvoir, VirginiaLead the AIOps platform initiative by serving as the primary technical liaison across Network Engineering, ServiceNow, and SolarWinds administration teams to establish unified telemetry pipelines. The role leverages Splunk and the Machine Learning Toolkit (MLTK) to deliver descriptive and predictive analytics while enabling closed-loop automated incident response to maintain the availability of mission-essential infrastructure.
DLP Engineer [JOB ID 20260707] Phoenix CyberDLP Engineer [JOB ID 20260707]Washington, DCFull timePhoenix Cyber is a national provider of cybersecurity engineering services, operations services, sustainment services and managed security services to organizations determined to strengthen their security posture and enhance the processes and technology used by their security operations team. Monitor O365 email alerts, review and categorize alerts, coordination with business process and owners to move to secure information exchange, develop risk reduction plan, DLP policies testing and tune, and User acceptance testing (UAT).
Senior AI OPS Engineer JCS Solutions LLCSenior AI OPS EngineerArlington, VAFull timeWhat you will do: Cross-Functional Leadership: Lead the AIOps platform initiative by acting as the primary technical liaison to existing Network Engineering, ServiceNow, and SolarWinds administration teams to establish unified telemetry pipelines. ITSM Orchestration & Automation: Architect closed-loop remediation workflows by deeply integrating Splunk ITSI alerts with ServiceNow Event Management and Incident Management modules.
(L5) Principal Cryptography Engineer The MITRE Corporation(L5) Principal Cryptography EngineerMclean, VA$172,800–$216,000 / yearThe Cyber for Identity Trust and Assurance department is comprised of an inspired multi-disciplinary team of researchers and practitioners driving innovation in the department's technical areas of focus, with particular emphasis in Cryptography and Trust; Software Assurance (SWA); Identity, Credential and Access Management (ICAM); and Trustworthy Artificial Intelligence (AI). Basic Qualifications: Typically requires a minimum of 10 years of related experience with a Bachelor's degree; or 8 years and a Master's degree; or a PhD with 5 years' experience; or equivalent combination of related education and work experience.
Mission Systems Engineer, Senior The MITRE CorporationMission Systems Engineer, SeniorMclean, VA$121,200–$151,500 / yearExperience evaluating kinetic and non-kinetic mission operations, including one or more of the following domains: air, maritime, land, space, cyber, electromagnetic spectrum operations, communications, command and control, fires, logistics, ISR, autonomy, or integrated air and missile defense. Experience developing or supporting at least several of the following: mission threads, operational scenarios, vignettes, CONOPS, use cases, functional flows, system architectures, interface concepts, requirements, measures and metrics, run matrices, trade studies, or analysis reports.
Lead Network Engineer The MITRE CorporationLead Network EngineerMclean, VA$147,200–$184,000 / yearOur engineers have expertise in research, design, analysis, modeling and simulation, lab experimentation, field testing, and implementation of networks across a diverse set of networked communication environments including virtual, wired, and wireless. Roles & Responsibilities: Specific duties will vary by project but will generally include a combination of research, design, analysis, testing, experimentation, and modeling & simulation of communications networks to solve our nation's most complex problems.
Software Engineer (Secret Clearance) NANA Regional Corporation IncSoftware Engineer (Secret Clearance)Alexandria, VA$116,000–$119,500 / yearFor our government customers, Suvi delivers subject matter experts, an agile management approach, and innovative technologies that accomplish customers' missions safely, securely, and efficiently. At Suvi, the work you do every day makes a difference in the lives of our 15,000 Iñupiat shareholders, a group of Alaska natives from one of the most remote and harshest environments in the United States.
Wireless Communications Engineer Mitre CorpWireless Communications EngineerMcLean, VA$96,400–$120,500 / yearExpertise in all or most of the following technology areas: 5G networks, tactical radios, satellite communications systems (including pLEO and MEO/GEO), mesh networking, edge computing platforms, cyber security solutions, network resiliency, and software-defined networking (SDN). Expertise in one or more emerging edge networking technologies including but not limited to: 5G networks, tactical radios, proliferated LEO (pLEO) satellite communications, mesh networking, edge computing platforms, network encryption, etc.
Devsecops Engineer Electrosoft Services, IncDevsecops EngineerArlington, VAIntegrate automated security testing tools, including Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), Software Composition Analysis (SCA), and container security scanning. The camaraderie we share emanates from Lunch & Learn sessions where we explore new ideas together, fun group activities ranging from escape rooms to miniature golf, and much, much more.