Lead Mechanical Engineer - TS/SCI Polygraph Required LeidosLead Mechanical Engineer - TS/SCI Polygraph RequiredReston, VirginiaMEP Systems Expertise: Strong multidisciplinary understanding of Mechanical, Electrical, and Plumbing (MEP) system design, integration, and operational functionality within complex industrial or military facilities, including specialized containment systems, filtration systems, and backup power infrastructure. Five or more years of field experience working with industrial HVAC systems, including air-cooled and water-cooled chillers, condensers, cooling towers, air handlers, heat exchangers, boilers, and related equipment.
System Integration Engineer LeidosSystem Integration EngineerGaithersburg, MarylandWorking alongside FAA personnel in live airport environments provides a unique opportunity to gain firsthand operational experience, build strong customer relationships, and see the direct impact of your work as TFDM is deployed across the National Airspace System. As part of this team, you'll collaborate with software engineers, system engineers, and FAA stakeholders to deliver capabilities that directly support air traffic controllers and airport operations across the country.
Cloud/Devops Engineer (Ts/Sci Clearance Required) NorthHill TechnologyCloud/Devops Engineer (Ts/Sci Clearance Required)Chantilly, VirginiaWorking closely with software developers, system engineers, and Government stakeholders, the Cloud & DevOps Engineer will develop cloud-native infrastructure, automate application deployment, manage containerized services, and integrate security, monitoring, and performance optimization throughout the software development lifecycle. The successful candidate will be part of a team to support the design, development, integration, testing, deployment, and sustainment of the enterprise IV&V platform while collaborating with Government stakeholders to evaluate existing GEOINT IV&V capabilities, implement automated verification processes, and deliver secure, scalable software solutions.
Advanced Capabilities Engineer - NRO Programs Lead PeratonAdvanced Capabilities Engineer - NRO Programs LeadReston, Virginia$135,000–$216,000 / yearFull timeYou will work closely with the NRO Mission Domain Expert, the CTO Office's Next-Gen Technology Engineers, and the Growth Organization to ensure Peraton's NRO pursuits are technically differentiated from the first day of capture through final proposal submission. Within Peraton's Space and Mission Solutions sector, there is an immediate need for a cleared Advanced Capabilities Engineer (ACE) to serve as the primary technical proposal lead for National Reconnaissance Office (NRO) opportunities.
NewDigital Architecture & Modeling Engineer PeratonDigital Architecture & Modeling EngineerHerndon, Virginia$112,000–$179,000 / yearFull timeThe Digital Architecture & Modeling Engineer will develop and maintain the Digital NAS Architecture (DNA)—an authoritative, model-based representation of the NAS that connects mission needs, operational concepts, requirements, capabilities, systems, services, interfaces, infrastructure, verification evidence, and ultimately operational performance. Develop enterprise and system-of-systems architectures spanning the heterogeneous NAS environment, including air traffic control operational technology (OT), enterprise IT, telecommunications, networks, edge computing, data platforms, cybersecurity, automation, and hybrid/cloud infrastructure.
Engineer Network Systems, Principal ShentelEngineer Network Systems, PrincipalReston, VABuild and manage the security infrastructure of the corporate network to include installing hardware, configuring firewalls and Internet content filters, setting up virtual private networks (VPNs), and performing upgrades. Ideal candidates will have a deep understanding of Cisco technologies, TCP/IP, routing protocols (BGP, OSPF, EIGRP), and switching (VLANs, STP), as well as previous experience with Cisco IOS and network management tools.
Senior HPC DevOps Engineer PeratonSenior HPC DevOps EngineerCollege Park, Maryland$146,000–$234,000 / yearFull timeCompute node onboarding (Bare-metal/VM) : Build and maintain an automated node bootstrap workflow that installs/configures the OS, applies security and performance baselines, enrolls nodes into the scheduler and shared storage ecosystem, validates hardware and service readiness (CPU, network, accelerator, storage mounts), and reports pass/fail results. Logging & observability : Ensure automation and operational workflows emit auditable logs to centralized analytics and integrate with metrics/alerting to enable reliable incident response, proactive detection, and safe auto-remediation.
Platform Engineer VTGPlatform EngineerChantilly, VirginiaFull timeOverview: VTG is seeking an experienced Platform Engineer to design, implement, automate, and maintain the infrastructure and platform services that support mission-critical applications and services. The Platform Engineer will work across cloud infrastructure, container orchestration, automation, configuration management, CI/CD, and security to build reliable, scalable, and secure platform environments.
Network Security Engineer (Multiple Levels) NoblisNetwork Security Engineer (Multiple Levels)Washington, Washington, DC$105,100–$198,575 / yearFull timeCompensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. Ideal candidates will have deep understanding of networking, security architecture and design, and experience applying Federal security guidelines (e.g, NIST 800-53, FISMA, etc.) to harden and secure systems.
Information Systems Security Engineer (Isse) CACI International Inc.Information Systems Security Engineer (Isse)Sterling, VA$72,700–$149,200 / yearPay 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. As part of a collaborative team of engineers, cybersecurity professionals, and software developers, you will play a critical role in designing, implementing, assessing, and maintaining secure solutions that support our customer's mission.
Windows Systems Automation Engineer Booz Allen HamiltonWindows Systems Automation EngineerMcLean, VirginiaWe need a Windows Systems Automation Engineer who can combine Windows administration, cloud engineering, and infrastructure-as-code practices to build reliable and repeatable environments supporting Department of Defense missions. 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.
Cloud Pipeline Data Engineer CACICloud Pipeline Data EngineerSpringfield, Virginia$98,500–$206,800 / yearJob Title: Cloud Pipeline Data EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * The Opportunity: 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.
NewInformation Systems Security Engineer LeidosInformation Systems Security EngineerReston, VirginiaVulnerability Management: Perform routine system audits, analyze vulnerability scans (e.g., ACAS/Nessus, AWS Security Hub, Prisma Cloud), and guide technical teams through STIG remediation and continuous monitoring. Cross Domain Architecture: Design, integrate, and test Cross Domain Solutions (CDS) allowing secure, policy-compliant data transfers and multi-level data sharing between unclassified and classified environments.
Software/Applications Architect/Developer/Engineer CSISoftware/Applications Architect/Developer/EngineerChantilly, VirginiaCloud: Amazon Web Services (e.g., Commercial and Government Cloud Services for DoD and IC, EMR w/Spark and RDS, EC2, EBS, S3, Route 53, RDS, VPC, ELB, CloudWatch, CloudFormation, CloudTrail, Blue Green deployment, Auto scaling, Trusted Advisor, Identity & Access Management, Simple Notation Service, Billing Console), Microsoft Azure. Depending on current team needs, responsibilities may include: identify and document system scope and objectives; design, code, test, debug, and document new programs; prepare detailed specifications; contribute to development of security authorization documentation; represent program in design reviews and demonstrations; and mentor junior developers.
Space Special Projects, Chief Engineer ANDURIL INDUSTRIESSpace Special Projects, Chief EngineerReston, VAThis will include driving technology developments through design, build, test and delivery for on-orbit operations across high dV propulsion systems, optical sensor suites, closed loop guidance and navigation and systems engineering in close concert with new and legacy ground software enterprises. The Chief Engineer in conjunction with the Head of Engineering for Space Missions will assist in building out the necessary infrastructure for Anduril to execute on all necessary aspects a space based interceptor consisting of satellite and payload build and test to include working with external vendors for establishing test requirements and pass/fail criteria.
Cloud Software Engineer, Senior Advisor - TS/SCI w/poly PeratonCloud Software Engineer, Senior Advisor - TS/SCI w/polyLaurel, Maryland$176,000–$282,000 / yearFull timeAs a Senior Cloud Software Engineer, you'll work independently on complex technical challenges while collaborating with software engineers, systems engineers, and mission stakeholders to deliver scalable, high-performance solutions. Join a highly skilled Agile development team building and enhancing mission-critical cloud applications that support large-scale distributed compute environments.
DevSecOps Engineer (TS/SCI) MaxaarDevSecOps Engineer (TS/SCI)Herndon, Virginia$182,000–$200,200 / yearVantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range.
DevSecOps Engineer (TS/SCI) Vantor ServicesDevSecOps Engineer (TS/SCI)Herndon, Virginia$182,000–$200,200 / yearVantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range.
Lead Systems Engineer Revolutional, LLCLead Systems EngineerSuitland, MD$150,000–$190,000 / yearWe apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. This program is driving a large-scale transformation of systems into a data-centric, cloud-native ecosystem capable of supporting high-volume, near real-time data processing and advanced analytics.
Senior VMware Engineer PeratonSenior VMware EngineerWashington, D.C.$135,000–$216,000 / yearFull timeThe ideal candidate will serve as a technical lead responsible for the architecture, deployment, administration, optimization, and sustainment of highly secure VMware virtualized environments operating within classified infrastructures and SCIF environments. This role requires deep expertise in VMware vSphere, enterprise virtualization, infrastructure engineering, cluster design, and performance optimization across Dell and Nutanix platforms.