Web Application Security Engineer (Appsec / Devsecops) Essnova Solutions, Inc.Web Application Security Engineer (Appsec / Devsecops)Washington, DCEssnova Solutions is seeking an experienced Web Application Security Engineer to support a federal customer by integrating security throughout the software development lifecycle (SDLC) and protecting enterprise web applications and APIs from evolving cyber threats. Essnova Solutions is a growing technology consulting firm delivering innovative IT, cloud, cybersecurity, engineering, and digital transformation solutions to Federal Government clients.
NewNetwork Engineer – VDI Security / Network Infrastructure Staffed4UNetwork Engineer – VDI Security / Network InfrastructureChantilly, VirginiaThis role supports technical risk assessment and mitigation activities across a broad range of enterprise technologies, including IT systems and networks, mobile and wireless networks, cloud-based computing, network management platforms, communication protocols, scripting and programming products, configuration scripts, and IT hardware and software products. The Network Engineer will manage the security and performance of a virtual desktop infrastructure environment, including networking components, firewall policies, VPNs, network segmentation, and endpoint policy enforcement.
Security Engineer-Owing Mills, MD (Hybrid) Georgia Tek SystemsSecurity Engineer-Owing Mills, MD (Hybrid)Owing Mills, MDExperience securing applications, and data at rest and in transit, networks, TLS, SOA, or API-based integrations. Identity Stores Provide IAM support to end users Monitor IAM platform components.
Infrastructure Security Engineer JBG SMITHInfrastructure Security EngineerBethesda, Maryland$130,000–$160,000 / yearFull timeIn-depth knowledge of Cloud Service Operations & Controls, network monitoring/management tools, network access control (Cisco ISE), NIST Framework, Zero trust solution (Zscaler), sophisticated networks and dynamic routing protocols (BGP, EIGRP), SD-WAN, VoIP/Cloud Voice Solutions, SaaS, PaaS, IaaS, SCCM and device/system patching, Building Automation Systems, SIEM (Splunk, CrowdStrike), network and endpoint security tools, firewalls (Palo Alto, Meraki, Cisco, Ruckus), Citrix, as well as WVD/Workspaces. This role suits an engineer who takes a holistic, full-stack approach — comfortable across every layer of the environment, from physical network and cabling design through cloud architecture and application enablement — and who wants to materially influence the security posture of a multi-faceted real estate company.
NewEndpoint Security Engineer Abile Group, Inc.Endpoint Security EngineerSpringfield, VirginiaAbile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005. With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile’s broad technical capabilities.
Senior Information System Security Engineer General Dynamics Information TechnologySenior Information System Security EngineerReston, VirginiaAssist IA team in established Authorization and Accreditation (A&A) process using a risk mitigation framework (RMF) across the design lifecycle for classified systems obtaining and maintaining Interim Authorization to Test (IATT), Authority to Connect (ATC) and Authorization to Operate (ATO). To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Senior Network Engineer DHS Insider Threat Program (TS/SCI) Artech LLCSenior Network Engineer DHS Insider Threat Program (TS/SCI)Lorton, VA$90–$95 / hourClearance: Active TS-SCI required + ability to obtain Client Entry On Duty SCI . Strong Cisco LAN/WAN, Firewall & Network Security experience.
Network Engineer - MID Artech LLCNetwork Engineer - MIDLorton, VA$83.66–$90 / hourClearance: Active TS-SCI required + ability to obtain Client Entry On Duty SCI . Strong Cisco LAN/WAN, Firewall & Network Security experience.
Senior Software Engineer Accenture Federal ServicesSenior Software EngineerTysons, VAThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $157,300—$215,100 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
Network Engineer (HPC) VibrintNetwork Engineer (HPC)Annapolis Junction, MDFull timeBy joining this particular High Performance Computing (HPC) prime contract, you'll help maintain and advance the computing infrastructure that powers unprecedented mission-critical analysis, scientific discovery, and scalable national security outcomes.______________________________________________________________________As a Network Engineer on this program, you will help deliver enhanced HPC capabilities across multi-vendor HPC servers, HPC clusters, and specialized processing environments. Required Skills:Cisco IOS, CatOS, NxOS, filter and access control, Ciscoworks, TACACS+, ASA, FWSM, HP Openview, Cisco routers, Cisco Switches, F5/Cisco load balancers, Infiniband, Juniper, FiberChannel (FC) SAN, and VPN (IPSEC)Physical installation and configuration and troubleshooting of network routers, switches, load balancers and security devices.
Application Security Engineer (Cloud / Application Security) Expert In Recruitment SolutionsApplication Security Engineer (Cloud / Application Security)Washington, DCCollaboration and Communication: Collaborate with cross-functional teams, including developers, operations, and DevOps, to integrate security seamlessly into the development lifecycle. Lead and manage security incidents, conducting thorough investigations as needed to identify root causes and facilitate effective remediation as needed.
Linux Systems Engineer (TS/SCI) MaxaarLinux Systems Engineer (TS/SCI)Herndon, VirginiaYou will work with a dynamic team consisting of Linux Administrators, DevOps & Infrastructure Engineers, Systems Engineers to support computational design elements of high-performing Graphics Processing Units (GPUs) and harnessing that power to feed into the new Platform. Your work directly impacts national security and global issues, you will have the chance to contribute to missions that are of paramount importance to the United States and its allies, know that that the virtual environments you support are making a difference on a global scale.
Principal Cloud Systems Engineer GliaCell TechnologiesPrincipal Cloud Systems EngineerColumbia, MD$200,000–$280,000 / yearWe are seeking an innovative and analytical Systems Engineer to join our research and development team focused on the future of cloud-native architectures, specifically Content Delivery Networks (CDNs). We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat.
NewElectronics Engineer US Department of EnergyElectronics EngineerWashington, DC$143,266–$175,504 / yearTo apply for this position, you MUST provide a complete application package which includes: Your two (2) page RESUMEshowing all relevant work experience (paid and unpaid) including: duties performed; full name and address of each employer; start and end dates (month/day/year); work schedule (part-time, full-time, number of hours if intermittent); salary; and any completed education and training (program title, subject area, number of hours completed, and completion date). Related Curriculum -- Successful completion of a curriculum leading to a bachelors degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelors degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance.
Infoblox Systems Engineer DAn SolutionsInfoblox Systems EngineerAnnapolis Junction, MDFull timeEducation & ExperienceCandidates must meet one of the following requirements:High School Diploma and 12 years of relevant experienceAssociate's Degree and 10 years of relevant experienceBachelor's Degree and 8 years of relevant experienceMaster's Degree and 6 years of relevant experiencePhD and 4 years of relevant experienceLeadership ExpectationsServe as the senior technical authority for enterprise Infoblox infrastructure and systems engineering initiatives. REQUIRES AN EXISTING/ACTIVE TS/SCI WITH CI POLYGRAPH - NO REMOTE WORK, MUST WORK ON SITEDAn Solutions is seeking a highly experienced Infoblox Systems Engineer – Level 4 to lead the design, implementation, modernization, and sustainment of enterprise Infoblox DNS, DHCP, and IP Address Management (DDI) solutions supporting mission-critical government operations.
Linux Engineer LeidosLinux EngineerChantilly, VirginiaThe Linux Engineer will lead and perform engineering efforts in the areas of Windows and Linux servers, workstations, storage, and virtualization; perform data center management tasks such as physical capacity management, hardware installation and commissioning, inventory, decommissioning and removal, and destruction; and coordinate engineering projects including performing technical risk assessment, de-conflict implementations, and resolve technical questions or conflicts. They also manage and deploy infrastructure components such as installing cables and circuits and labeling cables, build and maintain desktop workstations and provide troubleshooting assistance and patching as needed, and perform Tier-3 engineering and support for virtualization infrastructure, consisting of virtual servers, virtual desktops, and automation solutions.
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.
Senior Cyber Systems Engineer PeratonSenior Cyber Systems EngineerAnnapolis Junction, Maryland$135,000–$216,000 / yearFull timeSecurity Frameworks: Strong familiarity with the Joint SAP Implementation Guide (JSIG), DoD Risk Management Framework (RMF), and implementing technical security controls within a Special Access Program (SAP) or highly classified environment. Lifecycle Management: Guide system development and implementation planning through the assessment or preparation of system engineering management plans (SEMPs), and system integration and test plans (SITPs) that technically validate JSIG security controls.
Senior Engineer, Cloud And System Security SESSenior Engineer, Cloud And System SecurityMclean, VADesign, implement and automate advanced cloud, system and application security controls leveraging best of breed and cloud native state of the art security technologies, including EDR, O365 Security, data leakage prevention and rights management, identification and access management, active directory security, secure software development. You will autonomously lead and deliver complex cyber security implementation projects and design, implement and automate advanced cloud, system and application security controls leveraging best of breed and cloud native state of the art security technologies.
NewSenior Network Engineer Staffed4USenior Network EngineerAnnapolis Junction, MarylandThe ideal candidate will bring deep experience supporting LAN/CAN/WAN environments, network architecture, network performance optimization, secure communications, dataflow management, and mission-focused infrastructure. This role is responsible for network services across the full lifecycle, including design, implementation, administration, testing, deployment, maintenance, optimization, and modernization of existing networks.