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Utilities and mobile operators rely on our Power Delivery Services Team for reliable power and telecommunication expertise, as reflected through our work with more than 50 investor-owned utilities, more than 160 municipals/cooperatives, as well as a growing number of mobile operators, local utility providers and private developers. Leidos seeks the best and the brightest, and in return, we invest in you, with an eye on your future, through career advancement, growth opportunities and continuous improvement via mentoring, formal and informal project management training and assistance with obtaining pertinent certifications.

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SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

Substation Physical Engineer

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CONOPS Development: Gather requirements from stakeholders and produce comprehensive Concept of Operations documents that clearly articulate proposed solutions, operational workflows, and system architectures. Cross-Functional Collaboration: Work with engineering, product, and delivery teams to ensure proposed solutions are feasible, scalable, and aligned with organizational capabilities.

Science Applications International Corp

Solutions Architect

SAIC''s Horizon 2 program is seeking your, our latest Space Operations Systems Integrator to serve as a subject matter expert in support to the U.S. Space Force (USSF) in developing and deploying warfighter capabilities within the Program Executive Office''s Space Domain Awareness and Combat Power portfolio. You will interact and coordinate daily with numerous stakeholders (Program Managers, Contracting Officers, System Engineers, USSF Operations Organizations and external/partner organizations) working in sunny El Segundo, CA.

Space Operations Systems Integration Engineer

Be the go-to intelligence source for national defense decisions - Rapidly hunt down, connect, and synthesize NC3 data scattered across multiple documents, databases, networks, and classified storage environments to answer high-stakes queries from senior government and mission-partner customers who count on you for the definitive answer. You will support the development of Fit-For-Purpose enterprise level architecture viewpoints through Model-Based Systems Engineering (MBSE) based on Authoritative Source of Truth (ASoT) to support engineering analysis and data-driven decision-making by senior leaders that enables the modernization and evolution of NC3 capabilities.

Data Analyst

The program supports a complex and evolving mission where experienced cleared professionals operate side-by-side with the customer to architect, integrate, modernize, and optimize systems that directly drive operational outcomes. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

Systems Engineer

Quantum networking includes the investigation of impacts from other connected systems and links on the performance of certain critical quantum systems; development of methods to integrate quantum components into a real life heterogenized quantum network setting; development and implementation of methods to study the performance of quantum network links (such as tomography measurements, fiber characterization, etc.); design, implementation and test of methods for optimization of photonic quantum networks (such as for timing synchronization, phase control, polarization control, etc.); development and test management protocols for quantum communications over a quantum network (such as a quantum network manager); and development and execution of quantum experiments (such as entanglement distribution) and quantum communications (such as teleportation) on a quantum network. Quantum Enabled Optical Communications: Quantum enabled optical communications includes the implementation of quantum information science, quantum measurement science and quantum state detection to experimentally implement quantum-enabled classical and quantum optical communication links over fiber and free-space channels.

Quantum Network Scientist

The QA Inspector serves as the primary point of contact for quality-related matters and is responsible for maintaining accurate inspection documentation throughout all phases of work. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.

Qual Assurance Analyst

SAIC is seeking a Senior Industrial Engineer to provide direct onsite engineering and technical support to the Naval Surface Warfare Center, Philadelphia Division (NSWCPD) Shipboard Instrumentation and System Calibration (SISCAL) Program, Code 534. The ideal candidate possesses strong technical expertise, analytical capability, and hands‑on engineering experience to support shipboard instrumentation, calibration systems, and related processes across the fleet.

Senior Industrial Engineer

This position works on-site at the SAIC Eastgate facility in Bedford, Indiana, five days per week, and closely partners with engineers, technicians, project leads, and government customers to understand systems, equipment, and processes, and to translate that information into high-quality technical documentation. Leading small teams with delegating tasking, checking work and documenting completed work in technical documents, processes, and reporting to program manager and government task lead.

SCA Technical Writer III

Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. Provide front line technical support to local and remote users via calls, chat, email, and online support and service requests.

HHS Service Desk Technician

JOB DUTIES: Perform calibrations on Installed instrumentation includes, but is not limited to, gauges, switches, thermometers, transducers, meters, resistance temperature device (RTD), signal conditioners, and all system instrumentation associated with machinery control and any other complex systems installed on US Navy ships and submarines. SAIC is looking for a SISCAL Technician in Mayport, FL to provide support for the Shipboard Installed Instrumentation System Calibration (SISCAL) Program and the Shipboard Gauges Calibration Program (SGCP) services for calibration activity level 2, Hull Mechanical and Electrical (HM&E) Systems.

SISCAL Technician

REQUIRED EDUCATION AND EXPERIENCE: Bachelor''s degree in Logistics, Supply Chain Management, Business Administration, or a related field and 2 years' experience Additional relevant experience will be considered in lieu of a degree. The ideal candidate will have hands-on experience with DD1149 and DD1348 forms, expertise in ERP systems for inventory management and data entry, and proficiency in using spreadsheets for inventory tracking and analysis.

Logistics Analyst

Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. SAIC is seeking a Cloud Systems Engineer to provide provision of Global Enterprise IT services, specifically focusing the design and management of the core cloud infrastructure.

Cloud Systems Engineer

Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. Responsibilities will include but are not limited to: Support the development and documentation of system requirements using Digital Engineering (DE) and Model-Based Systems Engineering (MBSE) tools and principles.

Systems Engineer Associate

Leidos' Defense Group is seeking a Warehouse Material Handler to support logistics operations at the Naval Array Technical Support Center (NATSC) in Newport, Rhode Island. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

HOUR

Warehouse Material Handler

Systems Engineer Senior

Data Security & Compliance: Implement secure data pipelines and protocols, ensure RMF compliance, support ATO accreditation, and follow secure development practices like container hardening and CI/CD security. Systems Integration Experience: Demonstrated ability to integrate heterogeneous hardware, communications links, containerized software services, and data pipelines into a unified, operationally deployable system.

Software Systems Engineer

SAIC is seeking a skilled Senior Mechanical Engineer to join our team in Huntsville, AL and provide technical expertise in designing, developing, and implementing complex mechanical systems for a reconfigurable air defense project. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.

Senior Mechanical Engineer

Working knowledge of control theory, reaction wheel/control moment gyro, star sensor/tracker, inertial reference units/sensors, sun sensor, magnetic torque rod, GPS receiver, and control algorithm development. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.

Satellite Attitude Control Systems Engineer

You will advise government managers responsible for enterprise‑wide capabilities, define key technology demonstrations, and integrate advanced capabilities into regional exercises-directly shaping how the mission delivers timely, actionable intelligence. Key Responsibilities to include: Support technical and programmatic interchanges, identify issues early, and provide engineering guidance that enhances overhead and tactical mission capabilities and accelerates kill‑chain closure.

Leidos Holdings Inc. (formerly SAIC) in the United States

Substation Physical Engineer Leidos Holdings Inc

Solutions Architect Science Applications International Corp

Space Operations Systems Integration Engineer Science Applications International Corp

Data Analyst Leidos Holdings Inc

Systems Engineer Leidos Holdings Inc

Quantum Network Scientist Science Applications International Corp

Qual Assurance Analyst Science Applications International Corp

Senior Industrial Engineer Science Applications International Corp

SCA Technical Writer III Science Applications International Corp

HHS Service Desk Technician Science Applications International Corp

SISCAL Technician Science Applications International Corp

Logistics Analyst Science Applications International Corp

Cloud Systems Engineer Science Applications International Corp

Systems Engineer Associate Science Applications International Corp

Warehouse Material Handler Leidos Holdings Inc

Systems Engineer Senior Science Applications International Corp

Software Systems Engineer Science Applications International Corp

Senior Mechanical Engineer Science Applications International Corp

Satellite Attitude Control Systems Engineer Science Applications International Corp

Mission Systems Engineer Science Applications International Corp

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