15 senior software engineer jobs found

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...

Everforth ECS is seeking a Senior Database Engineer to work in our Warner Robins, GA office. Everforth ECS is seeking a highly qualified Senior Database Engineer with an active Top Secret/SCI Clearance to work on our project at Robins Air Force Base, GA. The selected candidate will be able to communicate effectively (written/verbal), possess strong interpersonal skills, be self-motivated, and be innovative in a fast-paced environment. Must hold and maintain a valid Top Secret/SCI Security Clearance. The candidate will be involved with product sustainment, product development, lab support, and engineering services in support of the Operational Flight Program (OFP), Test Program Set (TPS) development and support, Intelligence, Surveillance and Reconnaissance software and Mission Support (MS) business lines. Candidate will assist in evaluating current systems, planning of large-scale system projects, purchasing, installing and support of network communications, including...

Everforth ECS is seeking a AI/ML Engineer to work in our Dahlgren,VA office . The Program The AI/ML Software 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. Additionally, program support includes developing methodology and framework in support of cyber risk assessment life cycle. Our team will provide capabilities to support the customer with rapid design, development, test, deployment, maintenance and operation of specific software and hardware capabilities to meet current Cyber Defensive needs. As...

Everforth ECS is seeking a Senior Scientist/Engineer with a mix of expertise in oncology and medical device development to serve as a Scientific Engineering Technical Advisor (SETA) to support an ARPA-H Program Manager and work in our Remote office. Are you a passionate scientist with expertise in medical device development (hardware and software), with at least 8 years of industry experience working in the areas of oncology, cancer biology, biomedical engineering, and/or biochemistry? Are you ready to support the Advanced Research Projects Agency for Health (ARPA-H) in their mission to accelerate better health outcomes for everyone by supporting complex and leading-edge research and development (R&D) projects designed to arrive at high-impact solutions to society's most challenging health problems? In this role, you will collaborate with the ARPA-H Program Manager and team to effectuate bold ARPA-H research initiatives, support the development, funding, and management...

Everforth ECS is seeking a Senior Zero Trust Engineer to work in the National Capital Region covering the Pentagon, Falls Church, and Fairfax . Please Note: This position is contingent upon contract award. The War Data Platform (WDP) is a key initiative within the U.S. Department of War's (DoW) AI-First strategy introduced in early 2026. The WDP separates business and financial data from operational warfighting data, aiming to accelerate the deployment of artificial intelligence (AI) on the battlefield. The WDP extends to Unclassified, Secret, and Top Secret environments, and supports collaboration between Combatant Commands, Joint Staff directorates, Senior Executive Service leaders, and operational analysts. • The Senior Zero Trust Engineer serves as the technical authority for Zero Trust Architecture (ZTA) design and implementation across the WDP enterprise, leading the enforcement of identity-centric access controls, network micro-segmentation, and continuous...

Everforth ECS is seeking a Senior Electrical Engineer to join the RPL team in Chantilly, VA . As a Senior Electrical Engineer, you will work on high performance RF systems used for Radar and Flight Termination System (FTS). Based on system requirements, you will collaborate with a multidisciplinary engineering team of RF Engineers, Mechanical Engineers, and Software Engineers, to derive solutions, perform verification testing, and troubleshoot any issues. A successful candidate will solve complex problems and complete hardware and firmware designs and perform hands on testing.

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 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 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 Data Engineer Senior to work in our Winchester, VA office. Please Note: This position is contingent upon contract award. Responsible for carrying out engineering tasks to deliver an advanced visual analytic application to include: developing data analytics for desktop and web-developed visual analytic software; facilitating the bulk analysis of relational information utilizing advanced graphics, visualization, and high-performance computing, as well as using the specified open source, COTS, and GOTS technologies; and establishing an application that produces manageable, actionable intelligence from streams of a structured and semi-structured data.

ECS is seeking a Senior Engineer III (Part-Time) to work in our Warner Robins, GA office. ECS is seeking a highly qualified Senior Engineer III with an active Top Secret Clearance/SCI to work part time on our project at Robins Air Force Base, GA. The selected candidate will be able to communicate effectively (written/verbal), possess strong interpersonal skills, be self-motivated, and be innovative in a fast-paced environment. Must hold and maintain a valid Top Secret Security/SCI Clearance. The candidate will be involved with product sustainment, product development, lab support, and engineering services in support of the Operational Flight Program (OFP), Test Program Set (TPS) development and support, Intelligence, Surveillance and Reconnaissance software and Mission Support (MS) business lines within the Software Maintenance Group. Candidate will assist in evaluating current systems, planning of large-scale system projects. Essential Functions and Responsibilities:...

ECS is seeking a Senior SIGINT System Engineer to work in our Warner Robins, GA office. ECS is seeking a highly qualified Senior SIGINT System Engineer with an active Top Secret/SCI Clearance to work on our project at Robins Air Force Base, GA. The selected candidate will be able to communicate effectively (written/verbal), possess strong interpersonal skills, be self-motivated, and be innovative in a fast-paced environment. Must hold and maintain a valid Top Secret/SCI Security Clearance. The candidate will be involved with product sustainment, product development, lab support, and engineering services in support of the Operational Flight Program (OFP), Test Program Set (TPS) development and support, Intelligence, Surveillance and Reconnaissance software and Mission Support (MS) business lines. Candidate will assist in evaluating current systems, planning of large-scale system projects, purchasing, installing and support of network communications, including LAN/WAN...

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 a Technical Program Manager to work in our Fairfax, VA or Wiesbaden, Germany office in a hybrid onsite/remote capacity with regular travel to Falls Church, VA and Ft. Meade, MD , and occasional travel to Suffolk, VA . ECS is seeking a Technical Program Manager to support robust Impact Level (IL) 5 and IL6 programs in an operational DoD environment that houses multiple U.S. Coalition Mission Partner Environments (MPE). The Technical Program Manager bridges the gap between complex engineering, business strategy, and execution. They drive the lifecycle of technical projects-from conception to deployment-by managing cross-functional dependencies, identifying risks, and ensuring technical teams build scalable solutions that align with MPE mission goals. The ideal candidate has a broad and varied technical background with a focus on cloud infrastructure and experience with DoD environments. This position is a demanding, high-energy role that requires...