Senior Principal Proposal Excellence Strategist LeidosSenior Principal Proposal Excellence StrategistReston, VA$154,050–$278,475 / yearLeidos' Capture Operations & Excellence, Proposal Operations organization leads and supports more than $50 billion in annual proposal submissions and is seeking an extraordinary Senior Principal Proposal Excellence Strategist to serve as one of our most versatile proposal professionals. The ideal candidate possesses extensive experience supporting traditional Federal, FEDSIM, and commercial procurements, thrives in fast-paced environments, and leverages Gen AI responsibly to improve proposal quality, efficiency, collaboration, and innovation.
Senior Data Scientist JobotSenior Data ScientistArlington, VA$150,000–$180,000 / 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. This role will partner cross-functionally with business and technical teams to build scalable data solutions, translate complex insights, and help shape AI-driven strategy.
Senior AI/ML Engineer JobotSenior AI/ML EngineerMcLean, VARemote$160,000–$200,000 / 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. You’ll design and build our machine learning infrastructure - starting with vector search and retrieval-augmented generation and expanding into fine-tuned LLMs with human feedback loops.
NewSenior Systems Engineer, Navy Programs JobotSenior Systems Engineer, Navy ProgramsManassas, VA$125,000–$140,000 / 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. Our engineering teams develop prototype and production systems for submarines, aircraft carriers, and shore-based platforms, working in our own labs and alongside Navy customers and industry partners.
Senior Software Developer — Scrum Master LeidosSenior Software Developer — Scrum MasterGaithersburg, MDRemote$107,900–$195,050 / yearApproximately 50% of your time will be spent designing, developing, testing, and maintaining production software for the L-CAP platform, while the remaining 50% will be dedicated to serving as Scrum Master for an Agile development team on the ART. Leidos is seeking a Senior Software Developer — Scrum Master to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Automation Platform (L-CAP).
NewSenior Relay Engineering Analyst Constellation EnergySenior Relay Engineering AnalystLaurel, MDHas completed assigned skills and knowledge development training (applicable Advanced Engineering, EPRI, and Constellation University training or industry provided training) to develop expert level of knowledge in designated areas. Recommends equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations.
Senior Network Engineer LeidosSenior Network EngineerAccokeek, MD$107,900–$195,050The Senior Systems Engineer will provide technical leadership and support in the areas of IT planning, solution specification/design, implementation and target architecture development for the AFNCR Consolidated Communication Center (CCC). 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.
Senior Network Escalation Engineer - TS/SCI clearance JobotSenior Network Escalation Engineer - TS/SCI clearanceHerndon, VA$140,000–$200,000 / yearThe role leads complex technical escalations and Severity 1 incidents, performs root cause analysis and troubleshooting, and partners with engineering teams to resolve defects and develop long-term solutions. With a global customer base including all sectors, from Fortune 500 to up-and-coming startups, we over diverse product lines including, but not limited to, Cloud Services, Artificial Intelligence, Storage, Networking, Supercomputing, and Digital Transformation offerings.
NewLead Server – Senior Living Dining Services Sunrise Senior Living Mgmt IncLead Server – Senior Living Dining ServicesMcLean, VA$16.05–$20.10 / hourSee Sunrise Senior Living Mgmt Inc Privacy Policy at https://www.sunriseseniorliving.com/privacy-policy and SonicJobs Privacy Policy at https://www.sonicjobs.com/privacy and Terms of Use at https://www.sonicjobs.com/terms. Lead Dining Server – Inspire Service Excellence in Senior Living Lead Dining Server | Senior Living Dining.
Senior Software Developer LeidosSenior Software DeveloperGaithersburg, MD$107,900–$195,050 / yearIf 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 . September 24, 2026 For 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.
Senior MLOps Engineer JobotSenior MLOps EngineerSterling, VA$150,000–$175,000 / 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. Operate the AI infrastructure layer: self-hosted observability and evaluation tooling (Langfuse), product telemetry, model gateway and per-workload routing, and compliant GovCloud inference paths.
Senior Systems Engineer Concurrent Engineering Lead LeidosSenior Systems Engineer Concurrent Engineering LeadGaithersburg, MD$107,900–$195,050The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management that provides efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. Stakeholders will have a shared awareness of flights on the ground and in the air, the ability to exchange data electronically, with the goal of a continuous real-time picture of traffic volume and airport resources, making flights more efficient from gate to gate.
Senior Contracts Manager LeidosSenior Contracts ManagerSpringfield, VA$116,350–$210,325 / yearAs a Senior Contracts Manager, you will play a key role by providing governance, contracts proposal lead, contract administration, compliance oversight, customer relationship management, and contract risk management across a dynamic portfolio of programs supporting critical national security missions. 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 .
Help Desk Specialist II NuAxis InnovationsHelp Desk Specialist IIWashington DC, DCThe program includes but is not limited to: replacing old computers with new computers provided by WMATA; migrating data and settings from old computers to new computers; scheduling appointments with respective customers; performing surveys for quality assurance purposes and other administrative duties as needed. The Tier II support is involved in resolving complex issues, however, under situations requiring increased workforce at Tier I, such as surges in high call volume, Tier II resources may be partially or fully diverted to Tier I support.
Senior Principal Architect - PLM / Teamcenter X JobotSenior Principal Architect - PLM / Teamcenter XRockville, MD$190,000–$250,000 / 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
NewSenior Manager - Flagship Initiatives & Community Investment CovistaSenior Manager - Flagship Initiatives & Community InvestmentColumbia, MD$80,336.75–$145,077.09 / yearReporting to the Director, Global Impact, this leader will be responsible for leading the day-to-day execution and operational management of strategic impact initiatives and community development programs that advance Covista's mission of empowering students to achieve their goals, find success, and make inspiring contributions to our global community. This role requires an operational leader who can translate strategy into action, ensure program delivery excellence, manage cross-functional teams, work effectively with community partners and stakeholders, and support team development and coordination across multiple initiatives.
FMS-ACES Tier 2 Application Support Specialist (Appian Service Desk) CredenceFMS-ACES Tier 2 Application Support Specialist (Appian Service Desk)Arlington, VAOperating within the Army Enterprise Service Management Platform (AESMP / ServiceNow), the specialist diagnoses intermediate-to-advanced application, data, and platform issues on the Appian Cloud environment, coordinates Tier 3 engineering escalations, and champions user adoption across the Army FMS enterprise. Key Features and Capabilities: Developed using Agile methodologies, FMS-ACES provides a unified environment for managing the full lifecycle of an FMS case: Case Management: Streamlines everything from initial case implementation to closeout.
Senior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI Required LeidosSenior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI RequiredAnnandale, VA$92,300–$166,850The analyst will work closely with Intelligence Community (IC) partners, geographic names experts, and multi-INT analysts to ensure imagery-derived assessments are geospatially precise, linguistically accurate, and operationally relevant. Bachelor’s degree and 12+ years of relevant experience, or Master’s degree and 10+ years of relevant experience in Data Science, Computer Science, Analytics, or related field.
Senior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI Required LeidosSenior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI RequiredWoodbridge, VA$92,300–$166,850The analyst will work closely with Intelligence Community (IC) partners, geographic names experts, and multi-INT analysts to ensure imagery-derived assessments are geospatially precise, linguistically accurate, and operationally relevant. Bachelor’s degree and 12+ years of relevant experience, or Master’s degree and 10+ years of relevant experience in Data Science, Computer Science, Analytics, or related field.
Help Desk Specialist I NuAxis InnovationsHelp Desk Specialist IWashington DC, DCTicket Creation and Handling , Support-Incident Management , Initial Telephone Call Handling , Initial Email Handling , Initial Fax Handling , Critical Events Handling , Ticket Updates , Ticket Closure , Incident Handling and Management , Problem Handling and Management , Request Fulfillment (Service Request) Management , Ticket Ownership , User Notification , Remote Desktop Management , Application Support , Assistive Technology User Support. Identify trouble ticket trends, escalate identified problems to supervisory personnel, and perform problem management to ensure problems are addressed in a timely fashion.