Senior Network Engineer (TS/SCI with Poly) Braxton-Grant TechnologiesSenior Network Engineer (TS/SCI with Poly)Columbia, MarylandExperience operating, managing, monitoring, and deploying network security devices and systems, using advanced knowledge of security networking devices such as: application, proxy, and Next Generation Enterprise firewall appliances, Control Center Management appliances, IPSEC, SSL and SSH applications, Cisco Secure Access Control Servers (ACS), Cisco Security Manager (CSM), Cisco VPN and firewall devices, Web Proxy, Load balancer, and related software and hardware used in LAN/WAN networks). Braxton-Grant Technologies is looking for a Senior Network Security Engineer for a mid-shift (4pm - 12) position to provide assistance in all aspects of network management from network design through implementation, maintenance, and upgrading of existing networks.
SECURITY & RISK ENGINEER (SRE) Zermount, IncSECURITY & RISK ENGINEER (SRE)Arlington, VAFull timeAt least one of the following security certifications is required:Certified Authorization Professional (CAP)Certified Information Security Auditor (CISA)Certified Information Security Manager (CISM)Certified Information Systems Security Professional (CISSP), or Certified Chief Information Security Officer (CCISO)Governance Risk & Compliance Certification (CGRC)Or alternatively approved certificationsClearance LevelMinimum of active Secret Clearance and ability to obtain and maintain DHS suitabilityWORK LOCATIONThe position is primarily remote - Continental U.S onlyPrimary location when on site: Arlington, VA, and Springfield, VA Must be willing to travel - Not to exceed 10% of the time HOURS OF OPERATION8:00 am EST - 4:30 pm ESTTimes may fluctuate based on client and business requirementsREPORTING STRUCTUREReports To: Security Risk Engineering Team LeadDirect Reports: N/A The SRE is a core enabler of Zermount's Modern GRC mindset, which emphasizes:Continuous, real-time risk identification during compliance assessmentsRisk prioritization based on exploitability, exposure, and mission impactDirect integration with engineering and operations teams to drive remediationElimination of "check-the-box" compliance in favor of validated security outcomesYou will be directly responsible for supporting system authorization and mission assurance by producing objective, defensible, and technically accurate findings that enable Authorizing Officials, ISSOs, and system owners to make informed risk decisions.
Cyber Security Project Engineer Fantom CorporationCyber Security Project EngineerHerndon, 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.
NewAnti-Tamper (AT) Subject Matter Expert (Senior Engineer / SME), TS/SCI Blue Sky InnovatorsAnti-Tamper (AT) Subject Matter Expert (Senior Engineer / SME), TS/SCIWashington, DC$150,000–$250,000 / yearBlue Sky Innovators is seeking two highly experienced Anti-Tamper (AT) Subject Matter Experts to support the Anti-Tamper Executive Agent (ATEA) within SAF/AQL. If you are a qualified job seeker with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.blueskyinnovators.com as a result of your disability.
NewPlatform Engineer (VMware & AWS) System OnePlatform Engineer (VMware & AWS)Washington, DCWe're seeking a talented Platform Engineer to help architect, deploy, and manage our on-premises Virtual Cloud (VMware) platforms, our AWS Cloud platforms while supporting emerging AI capabilities, modern containerized workloads, and enterprise virtualization environments. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Information Systems Security Engineer ISSE 1 | TS/SCI w/ poly Security Clearance Tulzi TechnologiesInformation Systems Security Engineer ISSE 1 | TS/SCI w/ poly Security ClearanceAnnapolis Junction, MarylandApplies system security engineering expertise in one or more of the following to: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing. 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.
Threat Detection Engineer – Security Operations ID.meThreat Detection Engineer – Security OperationsWashington, DC$113,033–$140,000 / yearYou will collaborate closely with incident response, threat intel, and platform engineering teams to ensure resilient, high-quality coverage of modern threat scenarios across cloud and enterprise environments — including threats targeting and exploiting AI systems. You will be expected to bring — and continuously develop — strong AI literacy: designing detection workflows that leverage large language models, anomaly detection, and agentic pipelines, while also understanding and defending against AI-specific attack surfaces.
Threat Detection Engineer - Security Operations ID.meThreat Detection Engineer - Security OperationsMclean, VA$113,033–$140,000 / yearYou will collaborate closely with incident response, threat intel, and platform engineering teams to ensure resilient, high-quality coverage of modern threat scenarios across cloud and enterprise environments - including threats targeting and exploiting AI systems. You will be expected to bring - and continuously develop - strong AI literacy: designing detection workflows that leverage large language models, anomaly detection, and agentic pipelines, while also understanding and defending against AI-specific attack surfaces.
Cloud Software Engineer| All Levels -TS/SCI w/MD Poly Security Clearance Required Tulzi TechnologiesCloud Software Engineer| All Levels -TS/SCI w/MD Poly Security Clearance RequiredMarylandTulzi Technologies, LLC (Tulzi) prides ourselves on an open, and honest culture in the workplace which builds a morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.
Cloud Software Engineer -TS/SCI w/ Poly Security Clearance Required Tulzi TechnologiesCloud Software Engineer -TS/SCI w/ Poly Security Clearance RequiredMarylandTulzi Technologies, LLC (Tulzi) prides ourselves on an open, and honest culture in the workplace which builds a morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.
Software Integration Engineer 2 | TS/SCI w/ poly Security Clearance Tulzi TechnologiesSoftware Integration Engineer 2 | TS/SCI w/ poly Security ClearanceAnnapolis Junction, MarylandThe Level 2 Software Integration Engineer must possess the following capabilities: Provide customer support for HPC software to enable High Performance Computers to continue to run in operations, and support the range of UNIX, LINUX, Windows Systems, desktop applications, servers, and networks required in support of the mission. Provide customer support for HPC software to enable High Performance Computers to continue to run in operations, and support the range of UNIX, LINUX, Windows Systems, desktop applications, servers, and networks required in support of the mission.
Software Integration Engineer 4 | TS/SCI w/ poly Security Clearance Tulzi TechnologiesSoftware Integration Engineer 4 | TS/SCI w/ poly Security ClearanceAnnapolis Junction, MarylandThe Level 4 Software Integration Engineer must possess the following capabilities: Provide customer support for HPC software to enable High Performance Computers to continue to run in operations, and support the range of UNIX, LINUX, Windows Systems, desktop applications, servers, and networks required in support of the mission. Provide customer support for HPC software to enable High Performance Computers to continue to run in operations, and support the range of UNIX, LINUX, Windows Systems, desktop applications, servers, and networks required in support of the mission.
Software Integration Engineer 3 | TS/SCI w/ poly Security Clearance Tulzi TechnologiesSoftware Integration Engineer 3 | TS/SCI w/ poly Security ClearanceAnnapolis Junction, MarylandThe Level 3 Software Integration Engineer must possess the following capabilities: Provide customer support for HPC software to enable High Performance Computers to continue to run in operations, and support the range of UNIX, LINUX, Windows Systems, desktop applications, servers, and networks required in support of the mission. Provide customer support for HPC software to enable High Performance Computers to continue to run in operations, and support the range of UNIX, LINUX, Windows Systems, desktop applications, servers, and networks required in support of the mission.
NewStaff Security Engineer Alarm.comStaff Security EngineerTysons Corner, VA$167,500–$180,500 / yearOur comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
NewLead, Software Engineer L3Harris TechnologiesLead, Software EngineerMillersville, MD$135,000–$250,500 / yearIn addition to technical contributions, this position supports the day‑to‑day activities of the Software Engineering Group by providing technical guidance, assigning tasks, participating in complex engineering efforts, reviewing and approving formal documentation, and estimating labor, tools, and other resources to meet budget and schedule commitments. Ability to independently contribute to software requirements development, software testing and integration, and the creation of both application‑level and embedded C/C++ code on Windows-based and Linux‑based systems, including GUI and system‑control development.
NewSpecialist, Software Engineer (Embedded Software) (Minimum $10k Sign-On Bonus) L3Harris TechnologiesSpecialist, Software Engineer (Embedded Software) (Minimum $10k Sign-On Bonus)Herndon, VAWith customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs.
NewSenior Public Key Infrastructure (PKI) Engineer ZTI Solutions, LLCSenior Public Key Infrastructure (PKI) EngineerWashington, DCAutomate certificate lifecycle management (issuance, renewal, revocation, expiration monitoring, key rotation, reporting) using ACME, SCEP/EST, REST APIs, PowerShell, Python, Bash, Ansible, or Terraform. You will modernize CA infrastructure, automate certificate management at scale, support post-quantum cryptography transition planning, and help shape Zero Trust initiatives in mission-critical DoD environments.
NewQuality Engineer Alarm.comQuality EngineerTysons Corner, VAThe ideal candidate has 0–1 years of experience in quality engineering, software testing, internships, or academic projects; is eager to grow automation skills; and is curious about emerging tools and techniques—including AI‑assisted testing solutions—to improve test coverage and efficiency. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
NewDevSecOps Engineer - SME Dark Wolf SolutionsDevSecOps Engineer - SMEChantilly, VA$185,000–$240,000 / yearZero Trust & Secrets Lifecycle Management: Architecture experience implementing identity-aware security models and enterprise secrets management solutions (HashiCorp Vault, AWS Secrets Manager) for automated dynamic dynamic secret rotation. Automated Security Integration & Continuous ATO: Spearhead the seamless integration of dynamic security tools and automated governance into pipelines—including SAST, DAST, dependency scanning, and container analysis—to support Continuous Authority to Operate (cATO).
NewSenior Network Engineer Essnova Solutions, Inc.Senior Network EngineerWashington, DCPosition Overview The Senior Network Engineer will serve as a technical leader responsible for designing, implementing, securing, and maintaining enterprise network infrastructure supporting mission-critical federal operations. We are seeking a highly skilled Senior Network Engineer to support an upcoming federal program focused on enterprise infrastructure modernization, Zero Trust implementation, cybersecurity, and network resiliency.