Lead Firewall Engineer LeidosLead Firewall EngineerWashington DC, District of ColumbiaSeptember 3, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Through the J6 Penetration Handling, Incident, System Health (PHISH) support services task order on the GSM-O contract, we provide IT products, services and solutions to the Pentagon and other DoD offices and agencies for them to meet mission and business requirements.
Soar Engineer, Senior Booz Allen Hamilton Inc.Soar Engineer, SeniorBethesda, MD$86,800–$198,000 / yearProvide cybersecurity architecture and engineering support across initiatives such as Zero‑Trust, TIC 3.0, endpoint detection and response (EDR), and secure access service edge (SASE), contributing to the design and enhancement of enterprise security controls. Splunk SOAR Certified Automation Developer, Splunk Core Certified Power User or Admin, CySA+, GIAC Certified Incident Handler (GCIH), CISSP, or other equivalent industry Certifications.
Senior AI Platform Engineer LeidosSenior AI Platform EngineerAdelphi, MarylandRemoteYou will combine deep cloud and platform engineering expertise with DoD security accreditation, RMF, ATO/cATO, and DevSecOps practices to ensure AI capabilities can be securely deployed into operational environments. September 17, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
NewSolutions Engineer, SLED (North) SentinelOneSolutions Engineer, SLED (North)Washington, DC$160,000–$220,000 / yearWe need a self-starter who excels in a high-paced environment, thrives on pitching a revolutionary technology to executives and security practitioners, and will play an instrumental role in accelerating our sales initiatives. As a Solutions Engineer, SLED, you will be tasked with working with State, Local, and Education prospects and customers across the North and Northeast territories, aligning their goals and requirements with the SentinelOne offerings.
PKI Network Engineer Booz Allen Hamilton IncPKI Network EngineerVA$69,400–$158,000 / yearExperience working with MS Windows Server 2019 or later, PowerShell scripting, Virtual Machine Infrastructure (VMWare), storage area network (SAN), CISCO and Juniper network switching, load balancing, Hardware Security Module (HSM), Active Directory, Axway, Online Certificate Status Protocol (OCSP), UNIX, or Linux operating systems and server hardware. As a PKI Network Engineer on our project, you'll perform PKI Tier II troubleshooting on Marine Corps systems relating to PKI-specific incidents, including cryptographic logon, certificate validation, and domain controller certificates.
Sr. Systems Engineer 4 Reflexive ConceptsSr. Systems Engineer 4MarylandPerform long-term, in-depth vulnerability assessments leveraging systems engineering principles 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.
ICAM Engineer Booz Allen Hamilton IncICAM EngineerFort Belvoir, VA$86,800–$198,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. You'll expand your IAM experience to design, deploy, and support systems that verify appropriate user privileges and manage credentials for accessing our clients' most valuable assets.
Icam Engineer Booz Allen Hamilton Inc.Icam EngineerFort Belvoir, VA$86,800–$198,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. You'll expand your IAM experience to design, deploy, and support systems that verify appropriate user privileges and manage credentials for accessing our clients' most valuable assets.
Principal Systems Engineer (TS/SCI with Polygraph required) Red AlphaPrincipal Systems Engineer (TS/SCI with Polygraph required)Annapolis Junction, Maryland$180,000–$250,000 / yearOur total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. Our approach in determining final salaries takes into consideration a number of factors such as education, certifications, total years of relevant professional experience, actual level of expertise, and the responsibilities of the role itself.
DevOps Engineer Raydon CorpDevOps EngineerHanover, MDAbility to perform many duties involving DevOps functions including, but not limited to, authoring and maintaining automation deployment and monitoring scripts, researching, implementing and maintaining Continuous Integration / Continuous Delivery (CI-CD) tools and processes, automating application deployments, managing virtualized and containerized assets, creating virtual and physical network configurations, servers, communications, and test and developer engineering support. Interact with developers to understand software changes that will impact development and testing activities, examine any relevant change implementation, then report the changes to developers and testers welcoming feedback for future improvements.
Forward Deployed Engineer Booz Allen Hamilton IncForward Deployed EngineerArlington, VA$77,600–$176,000 / yearDay to day, this work may include shaping strategy, architecting solutions, integrating Booz Allen and commercial products into customer environments, supporting presales and customer success, and playing a leading role across forward deployed engineering activities that ensure successful integration of AI solutions with production settings. Team members also have opportunities to partner with industry leaders, including leading cyber companies, frontier model providers, and defense technology startups, through strategic collaborations and go-to-market initiatives.
New2027 Graduate - Reverse Engineer - Systems Exploitation Johns Hopkins Applied Physics Laboratory2027 Graduate - Reverse Engineer - Systems ExploitationLaurel, MarylandFull timeAs a multidisciplinary research center, APL also encourages collaboration across disciplines, giving you the opportunity to work alongside world-class experts in fields such as artificial intelligence, biotechnology, space exploration, radio communications, and additive manufacturing. The Systems Exploitation team performs vulnerability research, develops novel cyber capabilities, and pioneers groundbreaking approaches to defeat sophisticated security protections.
NewSoftware Engineer and Developer Booz Allen HamiltonSoftware Engineer and DeveloperAnnapolis Junction, MarylandWe are seeking a motivated Junior Software Developer to join our technology team supporting the development, integration, testing, and enhancement of software solutions for cyber, training, modeling and simulation, and emerging technology initiatives. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Data Engineer / Systems Architect E LogicData Engineer / Systems ArchitectWashington D.C., DCRequirementDetailsEducationBachelor's degree in Computer Science, Information Systems, Data Engineering, or related field preferred; equivalent experience acceptedExperienceMinimum three (3) years of comprehensive experience in enterprise data engineering, cloud architecture, and DoD systems integrationCitizenshipU.S. The ideal candidate has deep, hands-on experience operating natively in DoD IL5 environments, strong relational data modeling skills, and the ability to deliver high-quality technical documentation and operational support.
Software Engineer And Developer Booz Allen Hamilton Inc.Software Engineer And DeveloperAnnapolis Junction, MD$52,900–$108,000 / yearThe Opportunity: We are seeking a motivated Junior Software Developer to join our technology team supporting the development, integration, testing, and enhancement of software solutions for cyber, training, modeling and simulation, and emerging technology initiatives. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Senior Storage Systems Engineer (VMware)- 3649546 CTCSenior Storage Systems Engineer (VMware)- 3649546Manassas, VirginiaWith offices in Washington DC and San Diego, CA, CTC is a leading technology company providing lifecycle IT, data analytics, cloud managed hosting services, agile software development, DevOps, Test Automation, Cyber Security, and infrastructure solutions. Required Experience & Expertise in the following areas : In depth knowledge of network switching in Dell Blade systems and Firewall Management for Virtual Infrastructures.
NewSr. Systems Engineer 3 Reflexive ConceptsSr. Systems Engineer 3MarylandHigh School Diploma + 12 years of Systems Engineering experience; a relevant Bachelor's degree in a STEM field + 8 years of Systems Engineering experience; or a relevant Master's degree in a STEM field + 6 years of Systems Engineering experience. Perform long-term, in-depth vulnerability assessments leveraging systems engineering principles and knowledge, utilizing any available information, including architecture diagrams, build specifications, design documentation, and systems architecture.
Systems Engineer Booz Allen Hamilton IncSystems EngineerAlexandria, VA$86,800–$198,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. As a systems engineer on our team, you have the chance to shape our clients mission by developing a scalable, repeatable, effective, and trustworthy Independent Verification and Validation (IV&V) framework for GEOINT products.
Azure XDR and Sentinel Infrastructure Engineer LeidosAzure XDR and Sentinel Infrastructure EngineerSuitland, MarylandSeptember 8, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Active IAT or IAM Level II / III DoD approved 8570 baseline certification, such as Security+ CE or CASP certification, or the ability to obtain the required certification within 30 days of hire.
Principal Software Engineer Recorded Future IncPrincipal Software EngineerWashington, DC$152,000–$228,500 / yearAs a Principal Software Engineer, you will work across application code and infrastructure to collect, transform, and deliver structured threat data: tracking malware infrastructure, phishing campaigns, spam networks, command-and-control systems, and more. What You'll Do: Data Pipeline Ownership: Design, build, and maintain scalable data pipelines that collect, transform, and deliver structured threat intelligence data powering the Security Intelligence Graph.