NewMid or Senior Level Network Engineer System OneMid or Senior Level Network EngineerLorton, VA$77.75–$110 / hourThe position focuses on network infrastructure management, network security, cross-domain solutions, and modernization efforts , while serving as the primary technical expert for enterprise networking operations. Experience deploying and managing LAN and WAN Switches and Firewalls, including Cisco 2900, 4500, 9300, 9400, 6800, Nexus 9000, and Cisco Firepower, ASA.
Mission Critical Electrical Engineer - Mid-Level Whitman, Requardt & Associates, LLPMission Critical Electrical Engineer - Mid-LevelFairfax, VA$140,000–$215,000 / yearFull timeWe are seeking a highly skilled Mission Critical Professional Electrical Engineer to join our dynamic team responsible for the design and analysis of high-reliability electrical systems supporting mission critical environments and data centers. Design experience with the following: One-line diagrams and specifications for mission critical electrical components, including UPS systems, generators, medium voltage switchgear, and static transfer switches.
NewSoftware Engineer, Sr. Consultant - Fullstack GenAI Enablement VisaSoftware Engineer, Sr. Consultant - Fullstack GenAI EnablementAshburn, VA$152,200–$243,700 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. As a Visa Lead Engineer, you will be an integral part of a multi-functional development team inventing, designing, building, and testing software products that reach a truly global customer base.
NewCybersecurity Engineer VisaCybersecurity EngineerAshburn, VA$123,700–$191,300 / yearMasters, MBA, JD, MD) • Experience with one or more: Akamai, AWS CloudFront, Cloudflare, or other CDN solutions • Experience with one or more of the following: Imperva WAF, F5 WAF, and CDN Firewall • Experience with API Security solutions such as Imperva API Anywhere, Cloudflare API Shield, or other similar solutions • Web Application Firewall Experience (Must have), Experience with one or more of the following: SecDevOps Experience • Expertise in one or more of the following: Python, Perl, shell scripting, C++, Java, Java Script • Excellent experience in creating Regular Expressions for security polices and rules • Experience in maintaining and enhancing infrastructure as code with one or more of the following: CloudFormation, Terraform, Chef, Puppet, Jenkins, CodeDeploy • Experience with using knowledge management and code repositories with GitHub, Gitlab, Jira, and Confluence • Experience with Lambda, API Gateway, API Security controls including API Inventory, Runtime detection of threats, and Offensive Security testing or API DAST • Experience with API Security solutions such as Imperva API Anywhere, Cloudflare API Shield, or other similar solutions. Experience in exploiting web apps and web services security vulnerabilities including cross-site scripting, cross-site request forgery, SQL injection, DoS attacks, XML/SOAP, and API attacks such as Broken Object Level Authorization (BOLA).
Senior AI Software Engineer-TS/SCI clearances (CI poly preferred) CredenceSenior AI Software Engineer-TS/SCI clearances (CI poly preferred)Herndon, VAYou will collaborate with cross-functional engineering, data, cloud, and stakeholder teams to deliver scalable, secure, and mission-focused AI capabilities for federal clients, while helping guide technical direction, strengthen engineering practices, and mentor other engineers. Experience designing or implementing agentic AI solutions using frameworks or platforms such as Agent2Agent Protocol, Bedrock Agents, Mastra, CrewAI, Strands, AgentCore, LangChain, or LangGraph.
NewSr. Software Engineer - Core Automation Platform VisaSr. Software Engineer - Core Automation PlatformAshburn, VA$110,700–$171,800 / yearJoining Visa means working on highly distributed, large-scale systems that power the future of payments, data solutions, cybersecurity, AI, and next-generation customer experiences. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
NewLevel 3 Mac Desktop Engineer Sparks GroupLevel 3 Mac Desktop EngineerWashington, DC$43–$48 / hourThis role is ideal for a solution-driven professional who not only supports Mac users at an advanced level but also architects and improves endpoint management systems with a focus on scalability, automation, and security. You will serve as a subject matter expert (SME) for macOS, Jamf Pro, and Microsoft 365 within the enterprise environment, and play a critical role in enhancing the end-user experience through strategic IT initiatives.
Senior Java Full Stack Engineer CYNET SYSTEMSSenior Java Full Stack EngineerReston, VA$76–$81 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
NewNetwork Deployment Engineer System OneNetwork Deployment EngineerReston, VARemote$55–$60 / hourInterface with Local Exchange Carriers and telecom providers regarding installation, testing and troubleshooting during deployments. • Plan, design, implement, and validate new Wi-Fi networks and wired Cisco, Meraki networks.
NewACL Firewall Engineer American Management Group, LLC (AMG)ACL Firewall EngineerManassass, VirginiaFull timeYou will use your experience with Access Control Lists (ACLs), firewall policy design, and network segmentation to support VA business operations and protect PHI, PII, and VA Sensitive data. You’ll be a trusted advisor to your stakeholders as you translate security requirements and future needs into compliant architectures, design patterns, and best‑practice implementations.
NewSenior Azure Cloud & GitHub Platform Engineer System OneSenior Azure Cloud & GitHub Platform EngineerMerrifield, VAAs the client continues to modernize its cloud-native application landscape and software delivery capabilities, we require a highly skilled platform engineer who can provide expertise across Azure infrastructure, identity and access management, Kubernetes administration, GitHub Enterprise, automation frameworks, and deployment pipelines. A highly technical cloud and platform engineering professional who possesses deep expertise across Microsoft Azure services, Kubernetes, identity and access management, GitHub Enterprise administration, GitHub Actions, CI/CD automation, and infrastructure as code.
IoT Engineer System OneIoT EngineerMerrifield, VARemote$80 / hourPartner with sensor specialists to manage new sensor data streaming to the IoT platform, and with data scientists and machine learning engineers to take on analytic results and develop it to an application with a user interface, integrate with any pre-existing systems, demonstrate successful use cases and wins, etc. Work with Industry solution providers, equipment manufacturers, and the Enterprise Resource Planning vendor to design and implement the required system integration points and data flow to achieve best-in-class lights-out operations.
NewLead Security Engineer Dev Technology GroupLead Security EngineerSuitland, MD$120,000–$190,000 / yearAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Collaborate with application developers, data engineers, systems engineers, and OIS to identify and mitigate vulnerabilities, and provide expert security consultation to development teams.
Quantum Engineer SME DCS CorporationQuantum Engineer SMESpringfield, VAPerform trade studies and conduct analyses to evaluate proposed quantum machine learning approaches, review technical reports, assess product-quality impacts, and characterize performance using quantum simulation or related technologies to support verification and quality assurance. The DCS Air and Space Technology Sector are seeking a qualified candidate to apply subject matter expertise in the areas of quantum engineering, analysis, and system design of complex programming projects supporting National Agencies.
Plumbing Engineer - Mid-Level Whitman, Requardt & Associates, LLPPlumbing Engineer - Mid-LevelFairfax, VA$140,000–$215,000 / yearFull timeDesign and Layout: Develop plumbing system designs including domestic water, sanitary, storm drainage, and specialty systems (medical gas, compressed air, etc.). The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience.
Storage Engineer - IPv6 Support System OneStorage Engineer - IPv6 SupportWashington, DC$41.69 / hourThe engineer will be responsible for maintaining storage performance, configuring SAN/NAS solutions, troubleshooting IPv6-related issues, and supporting backup and disaster recovery operations. This is a storage infrastructure role focused on managing and supporting enterprise storage environments while ensuring compatibility and connectivity across both IPv4 and IPv6 networks .
NewRailway Engineer - Remote Teoresi GroupRailway Engineer - RemoteWashington DC, DCRemoteIntegration of onboard and wayside subsystems, including signaling components, sensors, communication interfaces, and control units, into system-level testing environments (e.g., HIL/SIL). At Teoresi, we specialize in supporting companies in creating projects using cutting-edge technologies such as self-driving cars and nanotechnology for the medical field.
Transportation - Water Resources Engineer Whitman, Requardt & Associates, LLPTransportation - Water Resources EngineerFairfax, VA$90,000–$185,000 / yearFull timeExperience designing drainage, stormwater management systems/BMP’s, erosion and sediment pollution controls; and preparing contract documents preferred. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience.
Mechanical Engineer - Mid Level Whitman, Requardt & Associates, LLPMechanical Engineer - Mid LevelFairfax, VA$140,000–$215,000 / yearFull timeWe are looking for a highly experienced mechanical engineer with in-depth knowledge of various mechanical system designs, including DX packaged systems, hydronic systems, chilled water plants, heating water plants, and plumbing. As a Mechanical Project Engineer, you will be a key player in completing the design and construction administration for small to medium-sized projects, as well as collaborating within larger design teams for substantial projects.
Land Development Engineer/ Project Manager System OneLand Development Engineer/ Project ManagerChantilly, VAYou’ll work alongside a diverse team of engineers, planners, landscape architects, and designers to bring complex projects to life—ranging from mixed-use developments and data centers to federal facilities and community infrastructure. As a Land Development Engineer or Project Manager, you will play a key role in delivering impactful site and infrastructure projects that shape communities across both public and private sectors.