35 software engineer jobs found

ECS is seeking a Software Engineer to work in an onsite capacity at our Springfield, VA customer site. Note: This position is contingent upon additional funding. ECS is seeking an innovative and articulate Software Engineer to support the execution of a variety of projects including the development of applications and APIs for help users perform analytic functions. This position requires strong technical skills in software development and enterprise application integration. You will work closely with the technical team to develop, test, deploy, and maintain solutions in an Agile environment, promoting excellence in collaboration and customer service. You should expect a fast-paced, multidisciplinary-team environment with tight deadlines. About ECS: We are a rapidly growing company that considers our employees and teams to be our most important assets. Our team environment provides opportunities for growth to individuals who are motivated to excel. We are situated in...

ECS is seeking a Software Engineer to work in our Fairfax, VA office. Job Description: ECS is seeking a Software Engineer to support the execution of a variety of projects including Artificial Intelligence/Machine Learning and Big Data/Cloud Solutions, with a focus supporting Naval Acoustics AI/ML. This position requires strong technical leadership skills, experience with various modern software languages, machine learning architecture, and enterprise application integration. The candidate works closely with both the project and technical teams to swiftly prototype and develop solutions in an agile environment and deploy capabilities to the cloud computing environment and operational end user. The candidate cultivates an environment that promotes customer service, excellence in communication, innovation, collaboration, and teamwork. The Software Engineer performs in a multidisciplinary team environment to ensure deadlines are met. Responsibilities: Develops software solutions...

ECS is seeking a Junior Software Engineer Intern to work in our Fairfax, VA office for the summer of 2026. This internship offers a unique opportunity to move beyond the classroom and gain firsthand experience with production-grade workflows and real-world datasets. You will work alongside senior engineers and scientists to move models from research to the tactical edge, ensuring from end to end, both our warfighters & decision makers are empowered with the latest technology solutions at their fingertips. Job Description: ECS is seeking a Junior Software Engineer to participate in a team of scientists and engineers, and to support the execution of a variety of projects including Artificial Intelligence/Machine Learning and Big Data/Cloud Solutions. The candidate works closely with the Project Manager and technical team to swiftly develop solutions in an agile environment and deploy capabilities to the operational end user. The candidate cultivates an environment...

ECS is seeking a Software Engineer to work in a hybrid remote/onsite capacity, with minimum of 3 business days onsite at our Fairfax, VA corporate office and/or our Springfield, VA customer site. ECS is seeking an innovative and articulate Software Engineer to support the execution of a variety of projects including Artificial Intelligence/Machine Learning and Big Data/Cloud Solutions. This position requires strong technical skills in software development and enterprise application integration. You will work closely with the technical team to develop, test, deploy, and maintain solutions in an Agile environment, promoting excellence in collaboration and customer service. You should expect a fast-paced, multidisciplinary-team environment with tight deadlines. Job Responsibilities: Develop software solutions by conferring with stakeholders, studying information needs, and analyzing system flow, data usage, and work processes. Determine operational feasibility by...

ECS is looking for a Principal Systems Engineer - Embedded Software Engineer to work Onsite in Arlington, VA. The Principal Systems Engineer will provide senior-level technical oversight, quality assurance, and lifecycle governance for embedded tactical software supporting Department of Defense and Navy weapon and combat systems. This is a principal individual-contributor role focused on reviewing, validating, and auditing embedded software and engineering decisions-not people management or day-to-day software development. The ideal candidate has deep experience in safety-critical, highly regulated environments such as missile systems, Aegis or Navy combat systems, or other real-time defense platforms, and brings the technical judgment needed to independently assess software quality, integration impacts, and engineering rigor. What You'll Do Serve as a senior technical authority on Change Control Boards (CCBs) governing embedded software updates and configuration...

ECS is seeking an Automated Test Engineer/Software Development Engineer in Test in our Quantico, VA office. Are you ready to play a crucial role in supporting cutting-edge technology for federal law enforcement and scientific organizations? ECS is seeking a highly skilled and motivated Automation Test Engineer to provide IT services and support for hardware, IT systems, applications, and operational technologies that support mission critical operations in support of our DOJ FBI Client. The scope of this program is to enhance enterprise IT services and solutions to this FBI component to provide best-in-class end-user support and drive improvements in the operations, management, maintenance and integration of services across multiple networks, systems, and applications to enable and enhance mission operations for law enforcement capabilities. In this role, you will be working at the intersection of traditional IT and specialized scientific and operational technology systems to...

ECS is seeking a Software Development Engineer in Test (SDET) to work in our Arlington , VA office. The Software Development Engineer in Test (SDET) is a highly technical role that bridges the gap between software development and quality assurance. The SDET is responsible for designing, developing, and maintaining automated test frameworks and tools to ensure the delivery of high-quality software products. Unlike traditional QA testers, the SDET possesses deep software engineering skills and actively contributes to the architecture and codebase of testing infrastructure. This role partners closely with developers, product managers, and other stakeholders to embed quality throughout every phase of the software development lifecycle, from design through deployment and production monitoring. Responsibilities Test Automation Development: Design, build, and maintain scalable and robust automated test suites, including unit, integration, functional , regression, and...

CS is seeking a Senior Check Point Firewall Engineer to work in our Washington, DC office / remote . The role is contingent upon additional funding. ECS is seeking a Senior Check Point Firewall Engineer to provide the following services to our Federal government client: Collaborate with customer staff to design, plan and implement new firewall architectures, upgrades and features as necessary. Lead in the administration of the client's Check Point firewalls to include updates, upgrades, policy administration and validation. Review and implement customer changes consistent with existing policies. Review and update documentation to ensure consistency with current procedures. Manage and tune additional software blades associated with firewall architecture. (IPS, URL, Application Control, AV, Advanced Malware detection). Willingness to work outside of normal business hours to support outage resolution, planned maintenance or to implement an upgrade. *5+ years of...

ECS is seeking a Principal Systems Engineer III (Network) to work in our Pocatello, ID or Clarksburg, WV office . The candidate shall be responsible for design, deployment, testing, certification, patching, and addressing interoperability issues for all features, components, and application dependencies . This include s switches, firewalls, load balancers, software defined networking, private cloud requirements, etc. Position requirements and duties of the Principal Systems Engineer III (Network): D esign, implement , and provide ongoing support of the Networking Infrastructure within and between data centers. S erve as the advanced matter expert for all data center network environments. C reate and maintain network infrastructure for both bare metal and virtual machines with the appropriate LAN , WAN, vLAN , SDN , firewall and load balancer configurations, using both OEM and third-party tools that include virtual network tools (NSX) and services....

ECS is seeking a DevSecOps Cloud Engineer to work remotely . Summary: Hands-on infrastructure engineer who owns the day-to-day provisioning, configuration, and operation of all AWS and Azure cloud resources supporting ECS DevLabs. This role is the person writing the Terraform, managing the EKS clusters, configuring IAM policies, maintaining networking, and operating the Big Bang platform. Works closely with the Platform Engineering Lead on architecture decisions and the Security & Compliance Engineer on hardening and control implementation. This is a deeply technical, hands-on role. The DevSecOps Cloud Engineer writes infrastructure-as-code, debugs cluster issues, configures security services, and keeps the platform running - not managing people or setting strategy. The \"DevSecOps\" in the title reflects that security is embedded in every infrastructure decision, not bolted on afterward. Primary Responsibilities: Infrastructure as Code: Write and maintain...

ECS is seeking a Senior Network Engineer to work remot ely. ECS is seeking a highly skilled Network Engineer to support and maintain enterprise network infrastructure across corporate office environments and three geographically distributed data centers. This role is responsible for designing, implementing, securing, and optimizing network systems that support mission-critical operations. The ideal candidate brings strong experience in multi-site networking, data center architecture, and enterprise-grade routing/switching, along with a proactive approach to reliability, security, and performance. Key Responsibilities Design, implement, and maintain network infrastructure across ECS corporate offices and data centers Manage core networking components, including routers, switches, firewalls, and load balancers Ensure high availability and performance of WAN/LAN connectivity between sites Support data center networking, including spine-leaf architecture, VLANs,...

ECS is seeking a AI Tester to work in our King George, VA office. The Artificial Intelligence (AI) Test Engineer will be part of a team of experts charged with providing support in the areas of cyber analysis and cyber development capabilities in response to Navy's and DoD's needs for Cyber Situational Awareness (SA), Cyber Command and Control (C2), Mission Assurance, and Homeland Defense. Program scope includes identifying cyber key terrain by analyzing operational requirements, conducting cyber analyses and assessments, and developing and performing modeling and simulation in support of different cyber threat scenarios. The team will conduct cyber analyses and assessments to identify potential vulnerabilities and risks, determine mission and operational impacts, and make appropriate mitigation recommendations. Additionally, program support includes developing methodology and framework in support of cyber risk assessment life cycle. Our team will provide capabilities to...

ECS is seeking a Principal Systems Engineer III (Network) to work in our Pocatello, ID or Clarksburg, WV offices. The candidate shall be responsible for design, deployment, testing, certification, patching, and addressing interoperability issues for all features, components, and application dependencies. This includes switches, firewalls, load balancers, software defined networking, private cloud requirements, etc. Position requirements and duties of the Principal Systems Engineer III (Network): Design, implement, and provide ongoing support of the Networking Infrastructure within and between data centers. Serve as the advanced matter expert for all data center network environments. Create and maintain network infrastructure for both bare metal and virtual machines with the appropriate LAN, WAN, vLAN, SDN, firewall and load balancer configurations, using both OEM and third-party tools that include virtual network tools (NSX) and services....

ECS is seeking a QA Engineer to work remotely . Please Note: This position is contingent upon additional funding. We are seeking a QA Engineer with a strong focus on User Acceptance Testing (UAT) and Software Quality Assurance (SW QA) . This role is responsible for validating that applications meet business requirements, functional expectations, and quality standards prior to release. The ideal candidate brings a detail-oriented mindset and a user-centric approach to testing. Responsibilities Execute User Acceptance Testing (UAT) to ensure software meets business and end-user requirements Perform software QA testing across web and application platforms Develop, document, and execute test plans, test cases, and test scenarios Identify, document, track, and retest software defects Collaborate with developers, product owners, and stakeholders during testing cycles Validate fixes and ensure regression testing is completed prior to release Ensure...

ECS is seeking a DevOps Enablement Engineer / SDLC Lead to work in our Fairfax, VA office. Position Summary ECS DevLabs is seeking a DevOps Enablement Engineer who will serve as the primary point of engagement between ECS development teams and the DevLabs platform. This role combines hands-on DevSecOps enablement with product ownership responsibilities - understanding what ECS teams actually need to deliver successfully, translating those needs into platform requirements, and ensuring the SDLC ecosystem evolves to meet real-world demand. You will own the intake process for development team onboarding, gather and prioritize requirements across multiple project teams, map decision trees for technology and workflow choices, and drive adoption of standardized CI/CD pipelines, GitOps workflows, and secure development practices built on Platform One Big Bang and AWS EKS. A core part of this role is owning the developer toolkit experience - managing platforms like Coder...

ECS Federal is seeking a Linux Engineer to work out of our Fairfax, VA and/or Springfield, VA office supporting our government customer. This position will require experience building and troubleshooting Linux Systems as well as integrating containerized technologies. The ideal candidate will have experience with Kubernetes as well as 4+ years working on RHEL. Experience working with multicast video is beneficial. The candidate will work with a cross functional team of other Linux Systems Engineers, Project Managers, and Software Developers to build, assess, and deploy a variety of software and hardware products globally. The Linux Engineer should have prior experience in designing/architecting enterprise scale systems incorporating a variety of components (COTS, GOTS, & open source) and supporting integration efforts. This individual performs in a multidisciplinary team environment with tight deadlines. The successful candidate is initiative-taking, eager to implement...

ECS is seeking a Software Tester to work in our Stafford, VA office. Please Note: This position is contingent upon additional funding. The ECS Team provides focused agile software development and maintenance for a mission-critical application for the government. Today, the application is a client server application developed using Microsoft .NET that supports a database repository of DNA profiles from individuals, unsolved crime scene evidence, and missing persons. The software allows local, state, and national laboratories to compare DNA profiles electronically, thereby linking serial crimes to each other and identifying suspects by matching DNA profiles from crime scenes to individuals' profiles. Additionally, the software is used to assist with the identification of unidentified human remains, missing persons and disaster victims. The Test Engineer will support the program with hands-on test development and execution experience implementing automated testing and...

ECS is seeking a Quality Assurance Engineer Senior to work in our Winchester, VA office. Please Note: This position is contingent upon contract award. Responsible for creating software test and automating test cases, performing application testing, validating bugs, and isolating issues; writing and initiating tests and then analyzing and reporting the test results in the ticketing system; and performing configuration management, change management, and release management

ECS is seeking a Systems Engineer Senior to work in our Winchester, VA office. Please Note: This position is contingent upon contract award. Supervise, coordinate and/or perform additions and changes to network hardware and operating systems, and attached devices, including investigation, analysis, recommendation, configuration, installation, and testing of new network hardware and software. Provide direct support in the day-to-day operations on network hardware and operating systems including the evaluation of system utilization, monitoring response time and primary support for detection and correction of operational problems. Troubleshoot at the physical level of the network, working with network measurement hardware and software, as well as physical checking and testing of hardware devices at the logical level working with communication protocols. Participate in planning design, technical review and implementation for new network infrastructure hardware and...

ECS is seeking a Systems Engineer Mid to work in our Winchester, VA office. Please Note: This position is contingent upon contract award. Supervise, coordinate and/or perform additions and changes to network hardware and operating systems, and attached devices, including investigation, analysis, recommendation, configuration, installation, and testing of new network hardware and software. Provide direct support in the day-to-day operations on network hardware and operating systems including the evaluation of system utilization, monitoring response time and primary support for detection and correction of operational problems. Troubleshoot at the physical level of the network, working with network measurement hardware and software, as well as physical checking and testing of hardware devices at the logical level working with communication protocols. Participate in planning design, technical review and implementation for new network infrastructure hardware and network...