Site Reliability Engineer - CTJ - POLY MicrosoftSite Reliability Engineer - CTJ - POLYReston, VA$119,800–$234,700 / yearMasters Degree in Computer Science, Information Technology, or related field AND 2+ years technical experience in software engineering, network engineering, or systems administration OR Bachelors Degree in Computer Science, Information Technology, or related field AND 4+ years technical experience in software engineering, network engineering, or systems administration OR equivalent experience. Our team works across all facets of isolated system engineering and is deeply involved in defining and improving service health through SLIs/SLOs and error budgets, building automation to reduce toil, strengthening observability (logs, metrics, traces), reducing systemic latency, validating and transforming data, and optimizing throughput and capacity.
Senior/Lead Site Reliability Engineer – Federal C3 AISenior/Lead Site Reliability Engineer – FederalTysons, VAC3 AI delivers a family of fully integrated products including the C3 Agentic AI Platform, an end-to-end platform for developing, deploying, and operating enterprise AI applications, C3 AI applications, a portfolio of industry-specific SaaS enterprise AI applications that enable the digital transformation of organizations globally, and C3 Generative AI, a suite of domain-specific generative AI offerings for the enterprise. • Demonstrated experience in deploying, managing, and operating scalable and fault-tolerant Kubernetes-based infrastructure in AWS and Azure clouds; on-premise deployment experience preferred.
Site Reliability Engineer (SRE) System OneSite Reliability Engineer (SRE)McLean, VARemoteIn this role, you will work closely with engineering, DevOps, cloud, security, and product teams to improve system resilience, reduce downtime, strengthen deployment practices, and support reliable cloud-based application delivery in an Agile environment. This role will help establish and mature SRE practices across AWS cloud environments, with a focus on reliability, automation, scalability, observability, incident response, and operational excellence.
Sr. Site Reliability Engineer - AWS Geospatial Technology EsriSr. Site Reliability Engineer - AWS Geospatial TechnologyVienna, VA$84,240–$142,480 / yearCompensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. We care about your career growth and strive to assign projects based on what will help each team member develop into a better-rounded engineer and enable them to take on more complex tasks in the future.
NewFacility Operations Center Engineer, ADC InfraOps FOC Amazon Data Services, Inc.Facility Operations Center Engineer, ADC InfraOps FOCArlington, VAThe Facility Operations Center (FOC) is a singular support team which proactively monitor the life-safety systems and the infrastructure equipment alarms (e.g., chillers, temperature sensors, generators, UPSs, switchgear, breakers, PDUs, and ATSs) that provides power and cooling to the platform 24x7x365. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.
NewSystem Engineer JobotSystem EngineerAlexandria, VA$95,000–$110,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are a leading provider of intelligent transportation and mobility solutions, delivering innovative software, systems, and services that help organizations manage complex transportation infrastructure more efficiently, safely, and sustainably.
NewSenior Software Engineer (C++ / Java) JobotSenior Software Engineer (C++ / Java)MONTGOMRY VLG, MD$165,000–$185,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.
NewSystem Integration & Test Engineer JobotSystem Integration & Test EngineerRockville, MD$110,000–$165,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.
NewHardware Engineer JobotHardware EngineerGaithersburg, MD$120,000–$140,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
NewJunior Software Systems Integration Engineer - RHEL - Secret Clearance Required JobotJunior Software Systems Integration Engineer - RHEL - Secret Clearance RequiredManassas, VA$90,000–$115,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.
NewSr. Software Engineer JobotSr. Software EngineerGaithersburg, MD$140,000–$165,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.
NewDevSecOps Engineer CredenceDevSecOps EngineerMcLean, VAThe position focuses on enabling reliable and scalable software delivery by building and optimizing CI/CD pipelines, infrastructure automation, and deployment workflows, while improving developer experience, release velocity, application quality, and system reliability across multi-stack environments. This role supports a variety of modern applications, including backend services, frontend applications, and data pipelines, with a strong emphasis on pipeline engineering, Infrastructure as Code (Terraform), and cloud-native deployments.
NewSystems Engineer (Intelligent Transportation System Industry Exp Required) JobotSystems Engineer (Intelligent Transportation System Industry Exp Required)Alexandria, VA$100,000–$110,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The ideal candidate has experience supporting Linux and Windows environments, containerized applications, and production systems while working directly with customers and internal engineering teams.
NewSenior Python Full Stack Engineer Vaco LLCSenior Python Full Stack EngineerMcLean, VA$130,000–$150,000Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.
Manufacturing Engineer II (VA) GCR Professional ServicesManufacturing Engineer II (VA)Chantilly, VirginiaContractorYou will collaborate with cross-functional teams, including design engineers, production personnel, and quality assurance, to optimize manufacturing operations and drive continuous improvement initiatives. As a Manufacturing Engineer, your primary responsibility will be to develop and improve manufacturing processes and systems to ensure the efficient and cost-effective production of defense and aerospace products.
NOC Support Engineer Inmarsat Government, IncNOC Support EngineerReston, VAFull timeLeveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions. The NOC Support Engineer is responsible for maintaining, modifying, and managing the NOC's software and monitoring infrastructure, including hardware and software applications used to monitor and manage Inmarsat Government's global MPLS and SATCOM networks.
System/DevSecOps Engineer NuAxis InnovationsSystem/DevSecOps EngineerWashington DC, DCThis role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Solution Architects, UX/UI Designers, QA Engineers, and DevSecOps teams to deliver end-to-end solutions across the full software development lifecycle. The Senior Full Stack Developer is responsible for designing, developing, integrating, and supporting secure, scalable, and high-performing enterprise web applications using modern cloud-native technologies.
Hybrid Cloud Engineer ECLAROHybrid Cloud EngineerWashington DC, DCCloud Operations & Reliability: Experience designing highly available systems using Azure-native tools for monitoring, backup, disaster recovery, and cost optimization. Virtualization & Core Infrastructure: Deep expertise in VMware (vSphere, ESXi, NSX, vCenter, SRM) and enterprise compute, storage, networking, and Active Directory.
Senior Mission Critical Electrical Engineer Whitman, Requardt & Associates, LLPSenior Mission Critical Electrical EngineerFairfax, VAFull 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.
Software Engineer II - CTJ - Poly MicrosoftSoftware Engineer II - CTJ - PolyReston, VA$100,600–$199,000 / yearThere is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $131,400 - $215,400 per year. As a Software Engineer II in Microsoft’s Sovereign Cloud Security team, you’ll help design, deliver, and secure highly reliable services that underpin both internal security platforms and customer‑facing cloud offerings.
NewCloud Engineer System OneCloud EngineerReston, VARemoteThis role ensures the scalability, reliability, and security of cloud environments while collaborating with cross-functional teams to deliver robust technical solutions. Ideal candidates have hands-on experience with AWS, Azure, or GCP, strong scripting skills, and a solid understanding of DevOps practices and containerization tools like Docker and Kubernetes .
NewSenior Platform Engineer System OneSenior Platform EngineerWashington, DCWe're seeking a talented Platform Engineer to help architect, deploy, and manage our AWS and on-premises platforms while supporting emerging AI capabilities, modern containerized workloads, and enterprise virtualization environments. • Manage Kubernetes fleet operations across AWS EKS, on-premises Mirantis Kubernetes Engine (MKE), and VMware vSphere with Kubernetes (VKS).
NewSenior Data Dog Cloud Engineer (Observability) System OneSenior Data Dog Cloud Engineer (Observability)Washington, DC$61.87–$61.87 / hourYou’ll be the go-to senior engineer for building and improving an enterprise observability program—using Datadog (or a comparable platform)—to help teams detect issues faster, reduce alert noise, and improve reliability in a 24x7 environment. Hands-on experience operating an observability platform: Datadog preferred, but Dynatrace / New Relic / Splunk Observability / Grafana+Prometheus are also relevant .
AWS Cloud Data Engineer System OneAWS Cloud Data EngineerMcLean, VARemotePartner with AWS Cloud DBAs and cross-functional teams to migrate data from legacy applications to AWS while ensuring performance, reliability, and security. Bachelor’s degree in Computer Science, Data Engineering, or a related field; four additional years of relevant experience may be substituted for a degree.
NewSenior Software (AI) Test Engineer PlanIT GroupSenior Software (AI) Test EngineerReston, VADescription: The assigned resource will be responsible for developing the AI program focused on automating requirements and test case preparation, utilizing Visual Studio Code, Python, Copilot AI, and other tools provided by the postal service. • Design and develop test automation scripts using Selenium with Python, leveraging available AI models and LLMs to accelerate script creation, maintenance, and self healing.
Sr. Product Engineer – Web Services EsriSr. Product Engineer – Web ServicesVienna, VA$93,600–$159,328 / yearExperience working with ArcGIS applications and technologies (such as ArcGIS Hub, ArcGIS Map Viewer, ArcGIS REST APIs, ArcGIS API for Python, ArcGIS Maps SDKs). You will act as a service owner and trusted decision‑maker, shaping priorities, balancing tradeoffs, and ensuring our web services remain reliable, scalable, and valuable to customers over time.
Software Development Engineer II - Back End EsriSoftware Development Engineer II - Back EndVienna, VA$97,240–$162,240 / yearCompensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. From building intuitive AI web interfaces to writing Python for geoprocessing tools and AI agents, youll be exposed to the full development lifecycle and cutting-edge GIS solutions.
Software Engineer II - CTJ - POLY MicrosoftSoftware Engineer II - CTJ - POLYReston, VA$100,600–$199,000 / yearMasters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. We own and operate Microsoft 365 services including Office 365, Exchange, Outlook, Teams, SharePoint, OneDrive, Purview, Information Protection, PSTN, Office Online, Office Services, and are actively bringing CoPilot to sovereign environments.
AWS Cloud Infrastructure Engineer System OneAWS Cloud Infrastructure EngineerMcLean, VAThe ideal candidate will have strong hands-on experience with AWS infrastructure, Terraform/IaC, CI/CD pipelines, scripting, secure cloud operations, monitoring/logging, and compliance-aligned engineering practices. Working knowledge of cybersecurity best practices, secure cloud configurations, zero-trust concepts, and compliance frameworks such as NIST, CIS, or ISO 27000.
Senior Telecom Software Engineer (TS/SCI clearance) System OneSenior Telecom Software Engineer (TS/SCI clearance)Herndon, VASupport Linux-based systems supporting telecommunications infrastructure by ensuring high availability, performance, and reliability, supporting environments on CentOS 7 transitioning to Rocky Linux. • Monitor and analyze telecommunications systems, interpret inbound data streams, and utilize packet capture tools like Wireshark and tcpdump to troubleshoot core network issues.
Senior AWS DevOps Engineer System OneSenior AWS DevOps EngineerMcLean, VARemotePartner with developers, architects, QA teams, and transition teams to validate handoffs, support release coordination, and ensure smooth production deployments. • Experience with CI/CD, GitHub Actions, AWS CodeBuild, ArgoCD, Helm charts, Dockerfiles, secrets management, environment configuration, and deployment workflows.
AWS Cloud Platform Engineer System OneAWS Cloud Platform EngineerMcLean, VARemoteDevelop and maintain cloud platform services and landing zones, including networking, identity, compute, and storage components. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewSenior VMware & Data Center Engineer System OneSenior VMware & Data Center EngineerWashington, DCDemonstrated experience ensuring the reliability, scalability, and efficiency of data center operations, including servers, storage, networking, power, and environmental resource requirements. Use enterprise data center technologies to manage and operate servers, storage, networking, and power systems supporting mission-critical environments within the federal government.
Senior Quality Assurance Automation Engineer System OneSenior Quality Assurance Automation EngineerMcLean, VARemoteDrive the expansion of test automation and integration of automated tests into CI/CD pipeline tools, while maintaining clear test documentation, promoting QA best practices, and coordinating with development, product, and operations teams to improve overall delivery quality. Develop and oversee test strategies, test plans, test cases, test data, and automated testing frameworks, while guiding QA team members in test execution, defect identification, and resolution tracking.
Software Development Engineer II - Front End EsriSoftware Development Engineer II - Front EndVienna, VA$97,240–$162,240 / yearCompensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. Your work will help developer communities re-imagine the capabilities of location-aware software applications that enable real-world improvements.
Software Engineer (C# .NET Framework/SQL Server) SarnovaSoftware Engineer (C# .NET Framework/SQL Server)Washington DC, DCThe position is well suited for an engineer who enjoys working with complex systems, troubleshooting production issues, and contributing to the continued evolution and sustainability of the platform. This role focuses on supporting, enhancing, and progressively modernizing enterprise and legacy applications using C#, NET Framework, and SQL Server.
Software Engineer II - Inline Mailflow AbnormalSoftware Engineer II - Inline MailflowWashington DC, DCDesign and implement core components of the SMTP relay harness, including Mail Transfer Agent (MTA) infrastructure, scalability, IP management, encryption, and DMARC support, working from conception through production operation. • Contribute to technical design discussions on how the relay integrates with existing inline products (outbound DLP, behavioral outbound, misdirected email), helping define the architecture of the broader Mail Flow platform.
NewLead Test Engineer Dev Technology GroupLead Test EngineerSuitland, MD$104,000–$160,000 / 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. This role possesses and applies comprehensive knowledge across key tasks and high-impact assignments, plans and leads major testing assignments, and functions as a technical expert across multiple project assignments.
Senior System Engineer ARCTICOM LLCSenior System EngineerQuantico, VARemoteThis position requires at least 8+ years’ experience supporting networking for DoD Command and Control Systems such as Multisource Correlator Tracker (MSCT), Common Aviation Command and Control System (CAC2S), Air Defense System Integrator (ADSI), or Theater Battle Management Core System (TBMCS). 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.
NewSystems Engineer Govcio LLCSystems EngineerWashington, DC$160,000–$180,000Responsibilities: The Systems Engineer’s role is designing, managing, and optimizing complex enterprise systems ensuring their efficiency and reliability across the intelligence community in support of the United States Air Force A2 Intelligence Directorate. 6-9 years’ experience performing the following: DoD 8140 Level II (Sec+CE, SSCP, CND, CCNA Security, etc).
NewSME DevSecOps Engineer Govcio LLCSME DevSecOps EngineerFairfax, VA$170,000–$200,000Strong proficiency with AWS services used in modern DevSecOps platforms, including IAM, ECS/EKS, Lambda, EC2, S3, CloudWatch, CloudTrail, KMS, Secrets Manager, and VPC‑level security controls. The engineer leads development teams in applying security gates, automated builds, and testing within the pipeline and resolves architectural or operational issues affecting the pipeline or cloud‑hosting environment.
AWS Cloud Security Engineer System OneAWS Cloud Security EngineerMcLean, VARemoteSupport alignment with security and compliance frameworks such as CIS Benchmarks, NIST, HIPAA, FedRAMP, and SOC 2. • Assist with incident detection, investigation, response, and audit trail maintenance across AWS accounts and services. • Strong hands-on knowledge of AWS services, including EC2, S3, RDS, Lambda, ECS/EKS, CloudFront, Route 53, IAM, CloudTrail, AWS Config, and KMS.
NewData Storage Engineer LeidosData Storage EngineerPoolesville, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Extensive experience administering enterprise-level data storage systems (Dell Storage Center, Dell Compellent, and Data Domain preferred) with a demonstrated understanding of the following services and technologies.
NewSenior Software Engineer LeidosSenior Software EngineerBethesda, MD$107,900–$195,050This role supports our client’s efforts to design and implement a cutting-edge data-centric architecture leveraging cloud-based computing, artificial intelligence (AI), machine learning (ML), and cross-domain transfer systems. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
NewMid-Level Backend Software Engineer LeidosMid-Level Backend Software EngineerGaithersburg, MD$87,100–$157,450If you’ve been building your skills in backend development, object‑oriented programming, and mission‑driven engineering, and you’re ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impact. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
NewAWS Cloud Engineer LeidosAWS Cloud EngineerArlington, VA$107,900–$195,050With the CESO effort, the Defense Information System Agency (DISA) is looking to transform the existing Secure Web Services (SWS) environment, used to provide secure information sharing to the community, into a more mature service offering to meet the DoD and IC community. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
NewSenior Systems Engineer LeidosSenior Systems EngineerLaurel, MD$131,300–$237,350This may include decomposing features into workable stories, prioritizing or reprioritizing items in the backlog for upcoming sprints, refining acceptance criteria and complexity estimates or removing tickets that are no longer relevant. Leidos has an exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer, to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP).
NewPrincipal Software Engineer / Tech Lead LeidosPrincipal Software Engineer / Tech LeadArlington, VA$131,300–$237,350Implement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
NewLead Systems Engineer LeidosLead Systems EngineerBurke, VA$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 22, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.