53 senior system software engineer jobs found

Description: JOB TYPE: FULL-TIME MUST POSSESS A TS/SCI CLEARANCE TO BE CONSIDERED. WE USE E-VERIFY TO ELECTRONICALLY CONFIRM THE EMPLOYMENT ELIGIBILITY OF NEWLY HIRED EMPLOYEES. COMPETITIVE SALARY, COMPREHENSIVE BENEFITS AND A COMPANY THAT CARES! AUSGAR Technologies, Inc., an equal opportunity employer, is an established, Service-Disabled Veteran-Owned Small Business (SDVOSB) Department of Defense, government contractor with core competencies in Information Assurance, Cybersecurity and Systems Engineering. With offices on both the East and West coasts, an inviting culture and above-standard benefits, opportunity abounds for the right individual! Network Engineer – 26-005 – Hampton, VA  As a growing Department of Defense Contractor, AUSGAR Technologies has an exciting NEW opportunity for a Network Engineer to join our team of smart and innovative technical team members.  Support operations at the Advanced Battle Management System...

It takes powerful technology to connect our brands and partners with an audience of hundreds of millions of people. Whether you're looking to write mobile app code, engineer the servers behind our massive ad tech stacks, or develop algorithms to help us process trillions of data points a day, what you do here will have a huge impact on our business-and the world. A Little About Us The Yahoo Media Platform enables core media capabilities across Yahoo verticals, delivering shared products and services so teams can ship use cases faster and more cost-effectively than building them in isolation. The Content Management within Media Platform powers Yahoo's publishing ecosystem by ingesting partner and third-party content at scale, normalizing it to a unified content model, enriching it, and publishing it into storage and search indexes used across properties like News, Finance, and Sports. We also provide platform APIs, change events, and partner-facing diagnostics to deliver...

Yahoo serves as a trusted guide for hundreds of millions of people globally, helping them achieve their goals online through our portfolio of iconic products. For advertisers, Yahoo Advertising offers omnichannel solutions and powerful data to engage with our brands and deliver results. A Little About Us Yahoo News connects millions of people to trusted reporting and compelling stories every day. We're focused on building reliable, scalable technology that enables great journalism and seamless user experiences across platforms. Delivering at this scale requires strong backend systems and engineers who care deeply about quality, performance, and impact. A Lot About You Backend engineers within Yahoo News Engineering are responsible for building, maintaining, and supporting foundational technology systems, tools, and infrastructure that power multiple products and services within Yahoo News. Engineers here operate under a squad model, where they are aligned with a...

Job Title: Senior UHV (Ultra High Vacuum) Robotics Engineer Job Summary: This role serves to develop and implement UHV robotic process/equipment improvements, integrate new elements of process control-measurement systems, and software coding designs. This engineer works in new projects, supports equipment modifications, and assists technical support teams with advanced troubleshooting. Electrical/electronic knowledge of HMI devices, instrumentation, Digital and analog control methods, computer hardware, networking, PLC hardware, electronics, component level design, electrical layouts, pneumatics, hydraulics, motion control, machine vision, safety systems and CAD is required. Software development experience should include object-oriented design utilizing Visual Studio, C#, C++, C, other scripted languages, IEC 61131-3 industrial languages, SQL. Knowledge and experience with UHV systems and UHV robots. Leadership and good communication skills to lead or work with a team of...

Description: About QBE, LLC  QBE, LLC is a mission-focused technology and security solutions provider supporting defense and federal customers worldwide. We deliver high-impact capabilities where precision, accountability, and technical excellence directly support national-level objectives. Overview QBE, LLC is seeking a Principal Systems Solutions Engineer to support the US Army Comprehensive Modernization (COMPMOD) program. The program delivers end-to-end EFIS&T services, including survey and design through installation, security, and testing. This work spans NIPR and SIPR networks, Wi-Fi, VoIP, ISP/OSP infrastructure, and voice modernization across all CONUS Army installations. We’re looking for a Principal Systems Solutions Engineer to lead systems engineering efforts for Army network modernization initiatives. You’ll develop and guide engineering solutions from concept through final design, providing fielding teams with the technical direction, documentation,...

Senior Web Developer / Engineer 5345 CALIBRE is an employee-owned mission focused solutions and digital transformation company. CALIBRE is seeking a Senior Web Developer / Engineer to support the Defense Logistics Agency (DLA) Disposition Integration Web (DIW) program. This role is focused on maintaining and enhancing legacy ASP.NET/.NET Framework web applications with Oracle and SQL Server backends. This is not a greenfield development role—work is primarily maintenance, troubleshooting, and targeted enhancements within an existing system. Job Description Maintain, enhance, and debug legacy ASP.NET/.NET Framework applications Troubleshoot production issues and resolve defects Support break/fix tickets and enhancements in an Agile/ServiceNow environment Integrate applications with Oracle and SQL Server databases Develop and maintain reports using SSRS Support IIS and/or Apache web server environments Work directly...

It takes powerful technology to connect our brands and partners with an audience of hundreds of millions of people. Whether you're looking to write mobile app code, engineer the servers behind our massive ad tech stacks, or develop algorithms to help us process trillions of data points a day, what you do here will have a huge impact on our business-and the world. A Little About Us At Yahoo, Cloud Runtime Engineering, a central technology organization, is driving a company-wide cloud and infrastructure transformation. The Key-Value Store & Messaging Platform team sits at the core of this effort, building and operating planet-scale distributed systems that handle millions of requests per second and manage petabytes of data globally. Our work directly impacts Yahoo's most critical, revenue-generating products, ensuring they are fast, reliable, and future-ready. A Lot About You As a Senior Full Stack Engineer (IC4), you thrive on solving complex systems problems...

It takes powerful technology to connect our brands and partners with an audience of hundreds of millions of people. Whether you're looking to write mobile app code, engineer the servers behind our massive ad tech stacks, or develop algorithms to help us process trillions of data points a day, what you do here will have a huge impact on our business-and the world. You will be working within the Corporate Applications organization, Business System Analyst will be responsible for implementing and supporting technology solutions enabling Oracle Application finance (Procure to Pay, GL). The primary focus for this position will be gathering business requirements, assisting in Integration and Acceptance Testing, supporting and development of training and implementation material, participating and leading in the implementation, and providing post-implementation support globally. The person will be responsible for leading Procure to Pay and accounting area and may lead contractors on...

ARKA Group L.P. ("ARKA") is an advanced technologies company serving the U.S. military, intelligence community, and commercial space industry delivering next-generation solutions to support the national security space enterprise. Built on more than six decades of excellence, ARKA brings modern approaches and a culture of innovation to the challenges of today. Join the ARKA team to learn how Beyond Begins Here. Discover your next career opportunity now! Position Overview: We are seeking a Senior Systems Engineer in Herndon, VA. You will work with a team building an operational software and AI system. A critical part of your role will include evaluating and integrating external tools, hands-on software testing, and adjudicating user feedback. You will bridge the gap between the customer's mission domain and our software engineering and AI teams to ensure solutions genuinely address operational pain points. Responsibilities: Elicit and define stakeholder needs through...

Yahoo serves as a trusted guide for hundreds of millions of people globally, helping them achieve their goals online through our portfolio of iconic products. For advertisers, Yahoo Advertising offers omnichannel solutions and powerful data to engage with our brands and deliver results. A Little About Us Yahoo is a global media and tech company that connects people to their interests. We reach over a billion people worldwide, bringing them closer to what they care about - from finance and sports, to shopping, gaming and news - with the trusted products, content and tech that fuel their day. The Media Platforms team enables Yahoo to build world-class products by creating shared services and infrastructure used across verticals. We emphasize building a modern, competitive platform - one that is self-serve, cost-effective, and designed to scale across the company's diverse product portfolio. A Lot About You We are looking for a skilled and motivated Frontend Software...

Core4ce Systems Engineer (Senior) 1203-383 Core4ce is seeking a senior Systems Engineer to lead technical planning, system integration, and end-to-end analysis across the full system lifecycle, ensuring requirements are translated into effective, scalable solutions. This role requires extensive experience in systems engineering and strong analytical capabilities. Responsibilities : P erforms technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies,...

Title: Senior Metrology Engineer Summary: The Senior Metrology Engineer will serve as a technical expert in advanced surface‑characterization methods, responsible for developing, operating, and interpreting measurements from a suite of high‑precision analytical tools. This role supports materials development, process optimization, and fundamental surface‑science research across multiple programs. Responsibilities: • Operate, maintain, and develop measurement protocols for XPS, SEM, AFM, Auger spectroscopy, LEED, and RHEED and others. • Design and execute detailed surface analysis experiments to characterize materials, coatings, interfaces, and thin films. • Analyze complex data sets and apply advanced quantitative methods to extract meaningful physical and chemical insights. • Interpret results with a deep understanding of surface science, surface chemistry, and materials science principles. • Troubleshoot instrumentation issues, coordinate maintenance, and ensure high...

Yahoo serves as a trusted guide for hundreds of millions of people globally, helping them achieve their goals online through our portfolio of iconic products. For advertisers, Yahoo Advertising offers omnichannel solutions and powerful data to engage with our brands and deliver results. About Yahoo Yahoo is a global media and tech company that connects people to their passions. We reach hundreds of millions of people around the world, bringing them closer to what they love - from finance and sports, to shopping, gaming, and news - with the trusted products, content, and tech that fuel their day. For partners, we provide a full-stack platform that helps businesses amplify growth and drive more meaningful connections across advertising, search, and media. About Search Yahoo Search is one of the most widely scaled applications in the world. We hire world-class engineers to support our ambitious product and platform goals. Our engineers work in a highly collaborative...

Yahoo serves as a trusted guide for hundreds of millions of people globally, helping them achieve their goals online through our portfolio of iconic products. For advertisers, Yahoo Advertising offers omnichannel solutions and powerful data to engage with our brands and deliver results. About the Team Our platform is the foundational identity and data layer for 900M+ monthly active users, serving 2.5B+ profiles at massive scale. We are building a predictive, identity-centric insights engine-ensuring our audience is understood with precision to deliver hyper-personalized experiences and advertising solutions across all our digital properties. Our mission centers on first-party data strategy: capturing, enriching, and activating audience signals to build a 360-degree view of every user. We operate under a Privacy-by-Design philosophy, adhering to global regulations (GDPR, CCPA) and industry security standards, while leveraging a cloud-native stack across GCP (BigQuery, Spanner,...

Yahoo serves as a trusted guide for hundreds of millions of people globally, helping them achieve their goals online through our portfolio of iconic products. For advertisers, Yahoo Advertising offers omnichannel solutions and powerful data to engage with our brands and deliver results. A Little About Us When you impact millions of people every day, you become a large target for adversaries of all types within all layers of the stack. Our job is to keep our users safe and make Yahoo one of the safest places on the Internet. We are the information security team at Yahoo; known as "The Paranoids" About Our Team Our job is to keep our users safe and make Yahoo one of the safest places on the Internet. The Vulnerability & Controls Operations team finds, triages, and tracks security weaknesses across infrastructure and cloud environments. We identify high-risk issues like zero-day vulnerabilities and cloud exposures. A Lot About You We are looking for a...

Position Title: Computer Vision Engineer - Senior Your Impact Join a mission-focused team where your work truly matters. We are seeking a Senior Computer Vision Engineer to help build cutting-edge solutions that support critical national defense operations. This role combines hands-on development, system-level thinking, and close collaboration with cross-functional teams including software engineers, systems integrators, and program managers. Youll be at the forefront of designing and deploying real-time computer vision systems that perform in dynamic and often high-stakes environments. This is a results-driven role within an ML-Ops environment focused on delivering production-ready solutions, processing large-scale data, and ensuring robust model deployment and performance in real-world conditions. In this role, you will also contribute to full lifecycle systems engineering activities, ensuring the translation of mission requirements into scalable, effective, and...

Req Id: 209 Job Title: Senior Firmware Engineer Location: Herndon, VA - Herndon, VA 20171 US (Primary) Job Description: Fibertek, Inc. is a leading developer of laser and electro-optic systems for the aerospace community, with key contributions to lasers for atmospheric sensing, laser communications, and lidar sensors for NASA, DoD, and commercial customers. We are looking for an experienced Firmware Engineer to contribute to the development of products on our Research and Development Division in Herndon VA. As part of our R&D division, you would join our firmware team to develop, integrate, and test our firmware products in Fibertek’s spaced-based, electro-optical systems. Essential Job Duties Lead and contribute to firmware architecture and implementation for space-based electro-optical payloads and laser systems Perform end-to-end firmware development lifecycle: from requirements analysis through design, coding, simulation, verification, and...

Senior Systems/Software Engineer This role has been designated as 'Remote/Teleworker', which means you will primarily work from home. Who We Are: Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies connect, protect, analyze, and act on their data and applications wherever they live, from edge to cloud, so they can turn insights into outcomes at the speed required to thrive in today's complex world. Our culture thrives on finding new and better ways to accelerate what's next. We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs. We make bold moves, together, and are a force for good. If you are looking to stretch and grow your career our culture will embrace you. Open up opportunities with HPE. Job Description: Responsibilities Work within engineering OpenStack infrastructure using infrastructure as a code method. Work on storage...

Yahoo serves as a trusted guide for hundreds of millions of people globally, helping them achieve their goals online through our portfolio of iconic products. For advertisers, Yahoo Advertising offers omnichannel solutions and powerful data to engage with our brands and deliver results. About Search Yahoo Search is one of the most highly scaled applications on the planet. We hire world class engineers to support our ambitious product and platform goals. Our engineers work in a highly collaborative environment with a strong emphasis on technical excellence and innovation. This is a unique opportunity as we're reimagining the future of Search, to reinvent how users find information and accomplish their goals. To achieve this vision, we're integrating new technology and expanding our infrastructure. This role demands strategic partnership, analytical thinking, exceptional planning and execution skills, ambitious innovation, obsession with quality and user needs, and a dedication...

Senior Contracts Administrator (Consulting Contracts) US-- Job ID: 2026-4369 Type: Regular Full-Time # of Openings: 1 Category: Mythics, LLC United States Overview As a federal government contractor and a recipient of federal funding, Mythics and Emergent is required to abide by the Drug-Free Workplace Act, which requires Mythics and Emergent to provide a drug-free workplace, among other obligations. As part of this effort, Mythics and Emergent requires pre-employment drug tests for all candidates for employment. Please note that marijuana (including medical marijuana) is designated as a controlled substance under federal law and will be screened for in the drug test. Why work at Mythics? Because at Mythics, YOU count! At Mythics, our Corporate Values are at the foundation of everything we do. Our values, Respect – Empathy – Excellence – Fun (REEF), have created an environment that fosters creative thinking, respects your contributions, and...