Defense Contractor/ National Defense jobs

Jul 11, 2026

Full time

$90,000 - $100,000 yearly

Sellers & Associates LLC San Diego, CA

Job Title / Labor Category Title Project Manager Location San Diego, CA 92101 US (Primary) SELLERS & ASSOCIATES - US Security Clearance Requirements Secret Job Description Sellers & Associates, LLC (S&A) is a Veteran Owned Small Business (VOSB) that provides effective and affordable Programmatic and Engineering Support Services and Solutions to our Government and Commercial Clients. We work directly with our clients taking the time to understand their culture and requirements designing a custom solution tailored to meet their unique needs at an affordable price without sacrificing quality. Our specialties include Program/Engineering Management, Training/Training Technology, Technology/Product Development Strategy and Analysis, Project Management (Cost, Schedule, Scope & Quality), and Strategic Planning applied within our clients' unique domains and context. Sellers & Associates, LLC (S&A)...

Jul 11, 2026

Full time

Project Manager - (517)- San Diego

$90,000 - $100,000 yearly

Sellers & Associates LLC San Diego, CA

Job Title / Labor Category Title Project Manager Location San Diego, CA 92101 US (Primary) SELLERS & ASSOCIATES - US Security Clearance Requirements Secret Job Description Sellers & Associates, LLC (S&A) is a Veteran Owned Small Business (VOSB) that provides effective and affordable Programmatic and Engineering Support Services and Solutions to our Government and Commercial Clients. We work directly with our clients taking the time to understand their culture and requirements designing a custom solution tailored to meet their unique needs at an affordable price without sacrificing quality. Our specialties include Program/Engineering Management, Training/Training Technology, Technology/Product Development Strategy and Analysis, Project Management (Cost, Schedule, Scope & Quality), and Strategic Planning applied within our clients' unique domains and context. Sellers & Associates, LLC (S&A)...

Jul 11, 2026

Full time

LC Program Analyst II - (560)- San Diego

$65,000 - $75,000 yearly

Sellers & Associates LLC San Diego, CA

Job Title / Labor Category Title LC Program Analyst II Location San Diego, CA 92110 US (Primary) Security Clearance Requirements Secret Job Description Job Description Sellers & Associates, LLC (S&A) is seeking an Program Analyst I-II to work in San Diego, CA (Contractor Site). Please Note: This position is contingent upon contract award. This role is responsible for developing data-driven training recommendations that directly impact Fleet readiness. The ideal candidate will combine extensive Navy experience with a strong background in data analytics and training development, working to enhance the effectiveness of Navy training programs. Job Requirements Conduct As-Is and To-Be training data analysis of development paths for Naval rates Analyze Naval rates using authoritative databases, doctrine and instructions to...

Jul 11, 2026

Full time

Systems Administrator - (667)- San Diego

$90,000 - $120,000 yearly

Sellers & Associates LLC San Diego, CA

Systems Administrator - (667) Who We Are Sellers & Associates, LLC (S&A) is a Veteran Owned Small Business (VOSB) that provides effective and affordable Programmatic and Engineering Support Services and Solutions to our Government and Commercial Clients. We work directly with our clients taking the time to understand their culture and requirements designing a custom solution tailored to meet their unique needs at an affordable price without sacrificing quality. Our specialties include Program/Engineering Management, Training/Training Technology, Technology/Product Development Strategy and Analysis, Project Management (Cost, Schedule, Scope & Quality), and Strategic Planning applied within our clients' unique domains and context. Benefits We have Medical, Dental, Vision, 401k with company match. Long/Short Term Disability and Life Insurance. 25 days of PTO per year. Employees may choose to work or take PTO on...

Jul 02, 2026

Full time

NATO Seasparrow NSSMS Technician II- San Diego

$32.30 - $39.50 hourly

Epsilon Systems San Diego, CA

2026-228 | NATO Seasparrow NSSMS Technician II Job ID: 2026-228 Date Posted: Jun 4, 2026 Department: Mission Services West Location: San Diego, California Salary Range: $32.30 – $39.50 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 4 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions is seeking a full-time NATO Seasparrow NSSMS Technician II in San Diego, CA. Summary: Under minimal supervision, the employee provides direct...

Jul 02, 2026

Full time

Lead Damage Control SME- San Diego

$70,000 - $110,000 yearly

Epsilon Systems San Diego, CA

2026-270 | Lead Damage Control SME Job ID: 2026-270 Date Posted: Jun 24, 2026 Department: Mission Services West Location: San Diego, California Salary Range: $70,000.00 – $110,000.00 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 15 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions, Inc. is seeking a full-time Lead Damage Control Subject Matter Expert (DC SME) to support U.S. Navy surface ships and military...

Jul 02, 2026

Full time

Lead Deck SME - San Diego

$90,000 - $130,000 yearly

Epsilon Systems San Diego, CA

2026-273 | Lead Deck SME Job ID: 2026-273 Date Posted: Jun 25, 2026 Department: Mission Services West Location: San Diego, California Salary Range: $90,000.00 – $130,000.00 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 15 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions, Inc. is seeking a full-time Lead Deck SME to support U.S. Navy surface ships and military auxiliary vessels in San Diego, CA. The ...

Jul 02, 2026

Full time

Naval Elevator Technician IV- San Diego

$28.00 - $38.00 hourly

Epsilon Systems San Diego, CA

2025-266 | Naval Elevator Technician IV Job ID: 2025-266 Date Posted: Jul 9, 2025 Department: Mission Services West Location: San Diego, California Salary Range: $28.00 – $38.00 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 6 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions, Inc. is seeking a full time Naval Elevator Technician IV in San Diego, CA. Summary: This...

Jul 02, 2026

Full time

CIWS Technician II- San Diego

$32.30 - $39.50 hourly

Epsilon Systems San Diego, CA

Job ID: 2025-347 Date Posted: Oct 9, 2025 Department: Mission Services West Location: San Diego, California Salary Range: $32.30 – $39.50 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 4 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions is seeking a full-time CIWS Technician II in San Diego, CA. Summary: Under minimal supervision, the employee provides direct technical support aboard...

Jul 02, 2026

Full time

Compressor Mechanic II- San Diego

$26.07 - $47.79 hourly

Epsilon Systems San Diego, CA

Job ID: 2023-3723 Date Posted: Jan 31, 2024 Department: Mission Services Location: San Diego, CA Salary Range $28.60 to $37.50 per Hour Job ID: 2023-3998 Date Posted: Jan 31, 2024 Department: Mission Services West Location: San Diego, CA Salary Range: $26.07 to $47.79 per Hour This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 4 Year(s) Epsilon Systems Solutions, Inc. is seeking a full time Compressor Mechanic II in San Diego, CA. Summary: This position will provide support for recurring assessments and repair of Compressed...

Jul 02, 2026

Full time

Diesel Engine Inspector III- San Diego

$39.50 - $45.00 hourly

Epsilon Systems San Diego, CA

2025-417 | Diesel Engine Inspector III Job ID: 2025-417 Date Posted: Nov 25, 2025 Department: Mission Services West Location: San Diego, California Salary Range: $39.50 – $45.00 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 5 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions, Inc. is seeking a full time Diesel Engine Inspector III in San Diego, CA. Summary: Under minimal...

Jul 02, 2026

Full time

Electronics Warfare Technician II- San Diego

$32.30 - $39.78 hourly

Epsilon Systems San Diego, CA

2026-108 | Electronics Warfare Technician II Job ID: 2026-108 Date Posted: Mar 22, 2026 Department: Mission Services West Location: San Diego, California Salary Range: $32.30 – $39.78 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 4 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions is seeking an Electronics Warfare Technician to join our team in San Diego, CA. This role supports U.S. Navy Ships under the direction...

Jul 02, 2026

Full time

Graving Dock Shore Electrician II - San Diego

$26.07 - $47.79 hourly

Epsilon Systems San Diego, CA

2024-536 | Graving Dock Shore Electrician II Job ID: 2024-536 Date Posted: Oct 30, 2024 Department: Mission Services West Location: San Diego, California Salary Range: $26.07 to $47.79 per Hour This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 4 Year(s) Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions, has a contingent job opportunity for a full-time Graving Dock Shore Electrician II in San Diego, CA Job Summary: The position will without more than normal supervision provide maintenance, repair and technical support on shore based graving dock...

Jul 02, 2026

Full time

Junior Project Manager- San Diego

$80,000 - $100,000 yearly

Epsilon Systems San Diego, CA

2026-162 | Junior Project Manager Job ID: 2026-162 Date Posted: Apr 20, 2026 Department: Mission Services West Location: San Diego, California Salary Range: $80,000.00 – $100,000.00 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 5 Years Minimum Education: Bachelor's Degree Epsilon Systems Solutions, Inc. is seeking a full time Junior Project Manager in San Diego, CA. Job Summary: Planning, organizing, staffing, coordinating,...

Jul 02, 2026

Full time

Model Based Systems Engineer (MBSE) Modeler (ES1) - San Diego

$70,000 - $77,000 yearly

Epsilon Systems San Diego, CA

2026-137 | Model Based Systems Engineer (MBSE) Modeler (ES1) - San Diego, CA Job ID: 2026-137 Date Posted: Mar 31, 2026 Department: Intelligence / NOVASTAR Location: San Diego, California Salary Range: $70,000.00 – $77,000.00 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 0 Years Minimum Education: Bachelor's Degree Epsilon C5I (www.epsilonsystems.com/c5i), a division of Epsilon Systems Solutions, is a 100 percent employee-owned company founded in 1998...

Jul 02, 2026

Full time

Senior Weapons System Technician II- San Diego

$32.30 - $48.00 hourly

Epsilon Systems San Diego, CA

2025-348 | Senior Weapons System Technician II Job ID: 2025-348 Date Posted: Oct 9, 2025 Department: Mission Services West Location: San Diego, California Salary Range: $32.30 – $48.00 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 10 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions is seeking a full-time CIWS Technician II in San Diego, CA. Summary: Under minimal...

Jul 02, 2026

Full time

Shipboard Diesel Subject Matter Expert- San Diego

$32.30 - $39.78 hourly

Epsilon Systems San Diego, CA

2026-104 | Shipboard Diesel Subject Matter Expert Job ID: 2026-104 Date Posted: Mar 17, 2026 Department: Mission Services West Location: San Diego, California Salary Range: $32.30 – $39.78 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 6 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions is seeking a full-time Shipboard Diesel Systems Subject Matter Expert in San Diego, CA. Duties and...

Jul 02, 2026

Full time

Shipboard Electrician II- San Diego

$32.30 - $38.00 hourly

Epsilon Systems San Diego, CA

2026-159 | Shipboard Electrician II Job ID: 2026-159 Date Posted: Apr 22, 2026 Department: Mission Services West Location: San Diego, California Salary Range: $32.30 – $38.00 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 12 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions is seeking a full-time Shipboard Electrician II in San Diego, CA. Summary: This position is located in San Diego, CA, and provides day-to-day...

Jul 02, 2026

Full time

Steam SME II- San Diego

$32.32 - $39.78 hourly

Epsilon Systems San Diego, CA

2026-102 | Steam SME II Job ID: 2026-102 Date Posted: Mar 17, 2026 Department: Mission Services West Location: San Diego, California Salary Range: $32.32 – $39.78 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 6 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions, Inc. has a job opportunity for a full time Steam SME II. Summary: The Technician will provide troubleshooting, repair, assessment, and...

Jul 02, 2026

Full time

Submarine Fire Control Technician II- San Diego

$32.30 - $39.50 hourly

Epsilon Systems San Diego, CA

2025-345 | Submarine Fire Control Technician II Job ID: 2025-345 Date Posted: Oct 9, 2025 Department: Mission Services West Location: San Diego, California Salary Range: $32.30 – $39.50 This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Minimum Experience: 6 Years Minimum Education: High School Diploma or Equivalent Epsilon Systems Solutions is seeking a Submarine Fire Control Technician II in San Diego, CA. Duties and Responsibilities:...

104 jobs found