Jobs at Mission Support and Test Services | HiringCafe

Mission Support and Test Services

Readiness and IVR Manager (Manager I)

Readiness and IVR Manager

Bachelor's degree plus 11+ years related experience; 3+ years in nuclear operations/maintenance; leadership; DOE readiness/IVR knowledge; valid driver's license.

Senior Project Manager for Cyber Security

Senior Project Manager

Bachelor’s degree and 5+ years PM experience in cybersecurity; PMP/CISSP/CISM desirable; manage small cybersecurity projects; NIST/RMF/ISO27001 familiarity.

Senior Technologist

Associate degree plus 5+ years related experience or high school plus 7 years; must pass respirator fit; strong planning, communication, teamwork; willing to support day and back/swing shifts; able to work underground; strong MS Office and data management skills; valid driver’s license.

Procurement Supervisor II (Construction)

Procurement Supervisor II

Bachelor’s degree with 8+ years of related experience; construction/procurement with FAR/DEAR knowledge; DOE contracting; Oracle procurement systems; strong communication; MS Office; leadership; willing to relocate; 4/10s schedule; pre-employment drug test; DOE security clearance potential.

Cygnus Supervisor II

Supervisor II

Bachelor's degree and 8+ years related experience; DOE complex experience preferred; strong leadership, communication, and compliance skills; valid driver's license.

Senior Scientist

Bachelor’s degree in STEM with 5+ years relevant IH experience; ability to work with cross-functional teams; compliance with regulations; DOE pre-employment screening; driver’s license; night/weekend availability.

Supervisor II - Lead Nuclear Facility Operations Specialist

Bachelor's degree and 8+ years related experience; 3 years nuclear operations/maintenance; knowledge of nuclear safety and DOE/NNSA requirements; strong leadership, planning, and communication skills.

Design Drafting Supervisor II

Design Drafting Supervisor

Bachelor's degree and 8+ years related experience; proficiency in SolidWorks/Creo; GD&T; PDM/ Windchill; change/configuration management; QA of drawings; leadership; travel; valid driver’s license.

ECSE - Senior Mechanical Engineer

Senior Mechanical Engineer

Bachelor's in ABET-accredited engineering; or calculus-based STEM degree or PE license; 5+ years relevant experience; strong precision mechanical design and manufacturing knowledge.

Senior/Principal/Senior Principal Scientist (Multi-Level)

Senior Scientist / Principal Scientist / Senior Principal Scientist

Bachelor’s in STEM with 5+ years experience; track record in accelerator/pulsed-power campaigns; expertise across multiple domains; advanced degrees preferred.

Principal/ Senior Principal Electrical Engineer - Pulsed Power (Multi-Level)

Electrical Engineer

Bachelor’s degree in ABET-accredited engineering or calculus-based STEM in EE; 9+ years experience for Principal; 14+ years for Senior Principal; PE license preferred; strong pulsed power knowledge.

Bachelor’s in STEM with 5+ years relevant experience; strong communication; willingness for travel and on-call; experience in radiation detection and related tech.

Principal Scientist

Bachelor’s degree in health physics or nuclear engineering plus 9 years of relevant experience; strong communications; able to deploy worldwide; SCI/Q clearance required.

Bachelor's in STEM with 5+ years of relevant experience; strong communication; willingness to travel and deploy; able to work non-standard hours and on-call; Office365 proficiency; able to lift 50 lbs; SCI access; DOE security clearance considerations.

Bachelor's in Health Physics, Nuclear Engineering or similar STEM; 9+ years experience; PhD preferred; strong communication; willingness to deploy worldwide; SCI access and DOE security clearances required

Fire Inspector (40)

Fire Inspector

US citizenship required; Fire Inspector I and Fire Instructor I certifications with 3–5 years experience; HazMat Awareness; ICS-100/200/700/800; Firefighter II or Fire Investigator preferred; valid driver's license; pre-employment drug screen; able to obtain DOE security clearance.

Senior Project Engineer

ABET-accredited engineering degree required; 5+ years experience; PE license preferred; DOE site experience preferred; valid driver’s license; PMP preferred.

Senior Autonomous Systems Engineer

Bachelor's in ABET-accredited engineering or calculus-based STEM engineering; 5+ years experience; PLC/embedded firmware experience; system architecture and debugging skills; strong communication; valid driver's license.

Senior Data Scientist

Bachelor's in STEM with 5+ years relevant experience; quantitative field preferred; experience in reinforcement learning; Python/R; TensorFlow/PyTorch; strong communication; licensed driver; on-site in Santa Barbara, CA.

Scientist II

Bachelor’s degree in STEM; 0-5 years radiation safety experience; strong communication, planning, data analysis; software skills; valid driver’s license.

Scientist I

Health Physicist

Bachelor's in STEM; 0-2 years radiation safety; strong communication and planning; proficient with MS Office; valid driver’s license; pre-employment drug test; DOE security clearance requirements.

Nuclear Facilities Operations Specialist I (DPF Dense Plasma Focus)

Bachelor’s degree in related field or equivalent training; DOE/Navy nuclear program experience; experience with facility ops, hazardous situations, and mechanical/electrical/control systems; ability to follow SOPs; security clearance process.

NNSS Nevada National Security Sites

Power Engineering Senior Engineer

Bachelor’s degree in engineering; 5+ years experience; NEC/NESC/IEEE knowledge; high/medium voltage power systems; ability to read electrical drawings; valid driver’s license; DOE security clearance requirements.

RCT Principal Technologist

Radiological Control Technician

Associate degree or HS with extensive related experience; qualified for DOE radiological programs; proficiency in MS Office; DOE radiological and HRP related requirements.

Senior Diagnostic Scientist

Bachelor’s in calculus-based technical (STEM) field + at least 5 years relevant experience; experience with image and signals processing; leading technical teams; budgeting; MATLAB/Python/LabVIEW/SolidWorks/Creo; Office suite; ability to work underground; team collaboration; strong work ethic; occasional travel.

Neutron Diagnosed Subcritical Experiments Diagnostic Scientist II

Bachelor’s in STEM with 2+ years’ experience; physics background; experience with electro-optical diagnostics, interferometry, budgeting; MATLAB/Python/LabVIEW/SolidWorks/ Creo; MS Office; ability to work underground; teamwork; occasional travel; valid driver’s license; DOE security clearance requirements.

Senior Electrical Engineer

Bachelor’s degree in ABET-accredited engineering or calculus-based STEM engineering; 5+ years relevant experience; PE license or NCARB; strong communication; valid driver’s license.

Bachelor’s degree in ABET-accredited engineering; 5+ years experience; PE license or NCARB; strong communication; valid driver’s license; U.S. citizenship and DOE security clearance prerequisites.

Data Scientist II

Bachelor’s in a calculus-based STEM field with 2+ years of relevant experience; proficiency in C/C++/Python; ML/modeling experience; strong communication; driver’s license; pre-employment drug test; DOE security clearance required.

Civil Engineer II

Bachelor’s in ABET-accredited engineering; 2+ years experience; PE license or NCARB; knowledge of reinforced concrete; ability to interpret codes; valid driver’s license.

Principal Procurement Specialist

Bachelor’s degree and 8+ years procurement experience, US citizenship required; federal construction procurement; strong leadership and vendor management; hybrid 4/10 schedule; relocation available.

PULSE Night Shift Operations Supervisor II

Night Shift Operations Supervisor II

Bachelor's degree or equivalent with 8+ years related experience; nuclear facility/maintenance experience; strong communication and computer skills; DOE Q clearance required.

Associate's degree plus 8+ years related experience or HS diploma plus 10+ years; HVAC knowledge desired; strong communication, organization, critical thinking; ability to handle multiple projects; valid driver's license; MS Office skills.

Senior Applications Analyst/Full-Stack .NET Developer

Applications Analyst

US citizenship required; bachelor’s in computer field or equivalent; 5+ years relevant experience; full-stack .NET, SQL, Azure DevOps, security; AI/ML and RAG experience; strong communication and problem-solving skills.

Sr Nuc Fac Ops Spec

Nuclear Facilities Operations Specialist

Bachelor’s degree in a related field plus at least 5 years of relevant experience, including 2 years in nuclear operations or maintenance; Power BI proficiency; KSAs per DOE orders; ability to obtain DOE security clearance.

Bachelor’s in Health Physics or a similar STEM field, plus 9 years of relevant experience. Ph.D. preferred. Strong communication; willing to travel; DOE Q clearance possible; ability to lift 50 lbs and work on non-standard hours.

Senior ServiceNow Developer (Senior Applications Analyst)

ServiceNow Developer

Bachelor's degree in computer field; 5+ years related experience; ServiceNow development with App Engine, portal, and integrations; strong web tech; REST/SOAP; CI/CD; SQL Server/Oracle; Agile; certifications preferred.

Electrical Engineer I

Bachelor’s degree in engineering; ABET-accredited program required for Civil, Mechanical, Electrical; experience with R&D instrumentation, fiber optics/diode lasers, and electronics; ability to travel occasionally; strong technical writing and communication; able to work in high-stress, hazardous environments.

Electro-Mechanical Engineer I

Electro-Mechanical Engineer

Bachelor’s degree in ABET-accredited engineering; SolidWorks CAD; basic hand tools; driver’s license; pre-employment drug test; DOE security clearance requirements.

PULSE Night Shift Operations Manager (Mgr. I)

Night Shift Operations Manager

Bachelor's degree or equivalent with 11+ years related experience; 4+ years nuclear experience; DOE orders knowledge; DOE Q clearance; leadership and communication; valid driver’s license.