Senior Drainage Engineer Rinker Design AssociatesSenior Drainage EngineerFredericksburg, Virginia$120,000–$180,000 / yearYou'll work closely with project managers and multidisciplinary teams to deliver high-quality solutions that enhance safety, mobility, and environmental stewardship. If you are looking for the opportunity to take ownership of technical work, mentor junior staff, and grow your career while working on meaningful projects, we'd love to hear from you.
Senior Water Resources Engineer Rinker Design AssociatesSenior Water Resources EngineerManassas, Virginia$120,000–$180,000 / yearYou'll work closely with project managers and multidisciplinary teams to deliver high-quality solutions that enhance safety, mobility, and environmental stewardship. In this role, you'll contribute to the analysis and design of drainage and stormwater systems for a variety of roadway and infrastructure projects.
Senior Network Engineer - Firewall Automation(Hybrid) S.W.I.F.T. SCRLSenior Network Engineer - Firewall Automation(Hybrid)Culpeper, VACollaboration: Partner with Enterprise network, Data Center network, Architecture, SOC, Security and Operational teams to integrate firewalls systems with broader network infrastructure and applications. In this role you will: Dynamic Challenges: Tackle a mix of proactive design work and reactive troubleshooting, from architecting secure network segments to resolving urgent firewall alerts during peak traffic or attack scenarios.
Senior Project Engineer Holder Construction CoSenior Project EngineerManassas, VAHolder Construction is a nationally recognized leader in the construction industry, consistently ranked among the top firms on ENR's Top 400 Contractors list. Manage cost control and issue resolution, including change orders, RFIs, and proactive identification of potential risks.
Senior Engineer Holder Construction CoSenior EngineerManassas, VAHolder Construction is a nationally recognized leader in the construction industry, consistently ranked among the top firms on ENR's Top 400 Contractors list. Manage cost control and issue resolution, including change orders, RFIs, and proactive identification of potential risks.
Senior Network Engineer Leidos Holdings IncSenior Network EngineerFort Belvoir, VA$92,300–$166,850 / yearKnowledge of DoD Risk Management Framework (RMF), Security Technical Implementation Guides (STIGs), and Zero Trust networking principles including SD-WAN, micro- and macro-segmentation, and Zero Trust Network Access (ZTNA). The successful candidate will provide engineering expertise for mission-critical Local Area Network (LAN), Wide Area Network (WAN), and secure network infrastructure supporting classified and enterprise operations.
Senior Cloud Engineer Leidos Holdings IncSenior Cloud EngineerLorton, VA$107,900–$195,050 / yearIntermediate Azure Certifications such as AZ-104: Azure Administrator Associate or similar certifications from other Cloud Service Providers. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Senior Network Engineer VTGSenior Network EngineerFredericksburg, VirginiaFull timeThis role requires a blend of network engineering expertise, mobile forensics experience, and knowledge of modern communications technologies to help solve complex technical challenges for our customer. Minimum of four (4) years of experience performing forensic extractions and analysis on mobile devices using commercial forensic products.
Senior Systems Administrator (Unix/Linux) AstrionSenior Systems Administrator (Unix/Linux)Dahlgren, Virginia$130,000–$140,600 / yearExperience in system backup and recovery; basic software management; security management and library management; installation and configuration of hardware; operational systems and COTS software; operating computer systems in different operating environments; and sizing, performance, tuning, hardware/software/network trouble shooting and resource allocation. Qualified experience in different network protocols including TCP/IP and major network security tools such as: firewalls, knowledge of computing and networking vulnerabilities, attach methods and latest detection methods.
Senior SQL Database Engineer Revolutional, LLCSenior SQL Database EngineerLorton, VA$145–$165 / hourWe 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. We are redefining how federal technology gets built and delivered by operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy.
Senior Program Analyst Bering Straits Native CorporationSenior Program AnalystVAFacilitate assessments of Cruise Missile Defense Systems (CMDS), Counter -Unmanned Aircraft Systems (C-UAS), Counter-Rocket, Artillery, Mortar (C-RAM), Maneuver Short Range Air Defense (MSHORAD) and Air Defense missile-related-acquisition programs to support organizational planning and development within PM GBAD. Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services.
NewSenior Software Engineer Altamira TechnologiesSenior Software EngineerWarrenton, Virginia$150,000–$200,000 / yearOther languages like Python, Angular, ELK stack, Redis, Web Services (REST), Containerization (such as docker, lxc), Kubernetes, helm, Machine Learning, Data Analytics, Android development, NoSQL and SQL databases, Xmidas are desired. Actual compensation will be determined based on several factors, including, but not limited to, the scope of the position, relevant experience, education, certifications, internal equity, customer contractual requirements, security clearance requirements, and other legitimate business considerations.
Senior Machine Learning Engineer Active TS/SCI Clearance Striveworks IncSenior Machine Learning Engineer Active TS/SCI ClearanceFort Belvoir, VA$185,000–$230,000 / yearSince 2018, we have delivered the most trusted AI systems operating in real-world use cases-providing a layer of assurance underneath hundreds of deployed models that monitors performance, manages drift, and sustains systems long after they leave the lab. Working directly with customers, data scientists, software engineers, and DevOps engineers, you'll define requirements and orchestrate complex data engineering pipelines.
Sr. Data Engineer ATR, LLCSr. Data EngineerFort Belvoir, VirginiaFull timeThis role requires a "builder" mindset—someone who can develop robust data pipelines, integrate advanced AI/ML models, and build the interfaces that make those insights actionable. Develop and integrate AI/ML solutions, including Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) frameworks.
Senior Azure Engineer ATR, LLCSenior Azure EngineerFort Belvoir, Virginia$85–$90 / hourFull timeDesign, implement, and manage Azure networking components including virtual networks, subnets, NSGs, Azure Firewall, VPN/ExpressRoute, load balancers, and routing. Utilize automation tools like Ansible or PowerShell scripts to streamline repetitive admin tasks (provisioning new servers, configuring roles/features, or backing up system configurations).
Senior Systems Engineer - Combat Systems (Naval) (8621) Patricio Enterprises CareerSenior Systems Engineer - Combat Systems (Naval) (8621)Dahlgren, VirginiaDESCRIPTION: Patricio Enterprises, Inc is looking to fill a Senior Systems Engineer – Combat Systems contingent position to provide the Naval Surface Warfare Center, Dahlgren Division (NSWCDD) support for Combat System Systems Engineering trades and analyses for future Naval Surface Combat and Warfare System Operations to NSWCDD. Primary duties will include (but not limited to) : Provide systems engineering in support of Naval Surface combat system development, including include digital engineering (DE) and Model-Based Systems Engineering (MBSE) concepts, processes, languages, methodologies, and toolsets.
Senior Staff Systems Engineer La Jolla Logic, IncSenior Staff Systems EngineerVA$110,000–$150,000 / yearThis role is responsible for investigating hardware failures, driving root cause analysis, evaluating and dispositioning returned hardware, maintaining engineering documentation and CAD data, maintenance of development system HW baseline and operations, and partnering with vendors to ensure hardware quality and availability. Customer & Partner Engagement: Act as a key technical point of contact to communicate and negotiate directly with external partners (sub-contractors, vendors, prime contractors) and external customers.
Senior Software Engineer Parsons CorpSenior Software EngineerManassas, VA$125,100–$225,200 / yearWe promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation''s most critical assets, from Earth to cyberspace. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental.
Sr. Network Engineer NewGen TechnologiesSr. Network EngineerLorton, VirginiaFamiliarity with network hardware and software, including routers, switches, load balancers, and network operating systems (e.g., Cisco, Juniper), as well as Azure networking components like virtual networks, subnets, VPN gateways, and Azure ExpressRoute. As a Network Engineer , you will be responsible for providing senior-level support for their network infrastructure, with a focus on LAN/WAN designs, configurations, management, and Azure networking.
Senior Virtualization/Storage Administrator SMS DATA PRODUCTS GROUP, INCSenior Virtualization/Storage AdministratorFort Belvoir, VA$103,000–$115,000 / yearWith the goal of building long-term partnerships with our customers, we invest in our employees by providing the training, tools, and support they need to keep critical missions operational, improve performance, and reduce risk. This role will lead the design, implementation, and optimization of data protection solutions, including a migration from Commvault to Veeam, within a secure, large-scale environment.