17 systems software engineer jobs found

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 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...

ECS is seeking a Principal Systems Engineer III (Unix/Linux) to work in our Pocatello, ID office . The Contractor shall be responsible for the design, deployment, testing, certification, patching, addressing interoperability issues, not only of the base operating system, but for all support libraries, components, and application dependencies. Position requirements and duties of the Principal Systems Engineer II (Unix/Linux) S erve as the advanced knowledge expert for all Linux environments. C reate and maintain bare-metal and virtual machines with the appropriate distribution of Linux and network configuration, using tools that include Satellite Server, Ansible and BigFix. P rovision/configure the required software onto servers, such as web servers and databases. E valuate, improve, and maintain the information security throughout the Linux infrastructure. M onitor and correct server issues and process for failures and performance bottlenecks....

ECS is seeking a Site Reliability Engineer (SRE) / Operations Engineer to work in our Arlington, VA office / remote . ECS is seeking a Site Reliability Engineer (SRE) / Operations Engineer who is responsible for ensuring the reliability, availability, performance, and operational efficiency of enterprise applications and supporting infrastructure. This role bridges software engineering and IT operations by applying engineering practices, automation, and monitoring to maintain stable systems and rapidly resolve operational issues. The SRE/Ops Engineer works closely with development, security, and platform teams to support system deployments, manage incidents, improve observability, and implement resilient architectures that support continuous delivery and mission-critical operations. Responsibilities Maintain the reliability, availability, and performance of production systems and cloud-based services. Monitor system health using observability tools (metrics,...

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...

ECS is seeking a Systems Engineer - SME (CAASM) to work remotely . Program Description ECS is seeking talented professionals to join our successful and growing team in building the next-generation Continuous Diagnostics and Mitigation (CDM) Cyber data solution. The CDM Program is the Cybersecurity and Infrastructure Security Agency's (CISA) dynamic approach to strengthening the cybersecurity of Federal networks and systems through better awareness and visibility into their security posture and cyber threats. ECS is responsible for designing, building, deploying, operating, and maintaining a complete 'Data Services' solution which includes the collection, normalization, visualization, and sharing of cyber data from more than 100 Federal agencies. The CDM Data Services product is an integrated suite of multiple Commercial Off the Shelf (COTS) products, software configuration packages, and custom code which work together to operate as an integrated solution tailored to meet...

ECS is seeking a Cyber Capability Developer (Reverse Engineering) to work in our Lorton, VA office. ECS's National Security & Civilian Business unit is seeking a highly motivated Cyber Capability Developer (Reverse Engineer) to support a mission-focused portfolio of cyber research and development efforts and the IT infrastructure that enables them. The purpose of this initiative is to enhance and sustain capabilities in IT Support, IT Security, IT Services, and Administrative Compliance that directly underpin complex technical investigations across law enforcement and intelligence community agencies, where rapid advances in global communications, data networks, cellular systems, and the Internet technologies present constant operational challenges. Operating in a highly collaborative, Agile environment, this program leverages rapid research and development methods to create solutions to real-world operational problems, with emphasis on device exploitation, application...

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.

ECS is seeking an Electrical Engineer to join the RPL team in Chantilly, VA . As an 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. Analyze customer requirements and derive detailed system, subsystem, and component-level specifications to drive electronic designs. Participate in major reviews such as: Systems Requirements Review (SRR), Preliminary Design Review (PDR), and Critical Design Review (CDR), and Test Readiness Review (TRR). Develop Electrical Designs at various levels from component-level up to system-level to meet customer requirements...

ECS is seeking an Identity Credential and Access Management (ICAM) Subject Matter Expert (SME)/Engineer to work in our Ft. Meade, MD office in an onsite capacity. ECS is seeking an ICAM SME/Engineer (ICAM SME/E) 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 ICAM SME/E will help clients understand emerging technical solutions relative to client policies and operational requirements and apply analytical and innovative strategies to develop solutions to address client needs. The candidate will contribute to technical artifacts and thought leadership for IAM tools relating to Credential Management, Public Key Infrastructure, Alternate Credentials, Directory Services, Authentication solutions, and ICAM integrations. This position is a demanding, high-energy role that requires innovative ideas to manage identities, credentials, and access across Mission...

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 seeking a Junior 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 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 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 Military Analyst to work onsite, at the Pentagon. The ideal candidate will provide expert technical and operational analysis of Unmanned Aircraft Systems (UAS) threats and the effectiveness of counter-measure technologies. This role involves evaluating emerging drone threats, assessing defensive system performance, and developing Tactics, Techniques and Procedures (TTPs) to protect personnel and critical infrastructure. Candidates must be able to take ownership of tasks and deadlines; work without supervision; commit to high quality results; and provide common sense technical solutions. Must have an exceptional ability to multitask and manage multiple project streams simultaneously. In addition, candidates should be adaptable, detail-oriented, and have well-developed written, verbal, and interpersonal skills. Key Responsibilities: Threat Analysis: Monitor and analyze global UAS trends, loitering munitions and swarm technology. System Evaluation: Assess...