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Fathom 4
Fathom 4
Related Locations:
Charleston, SC
Hanahan, SC
Quantico, VA
Top Occupations:
Data Scientists
Computer Systems Engineers/Architects
Information Security Analysts
Top Industries:
Computer Systems Design Services
Other Scientific and Technical Consulting Services
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Fathom 4
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Software Engineer - Test Automation with Security Clearance
NEXT STEPS
Fathom 4
Charleston, SC
L4 Mid
May 9th, 2026
Software Quality Assurance Analysts and Testers
Computer Systems Design Services
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Systems Engineer - Quantico
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Fathom 4
Quantico, VA
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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Scientist I / Mechanical Engineer
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Fathom 4
Charleston, SC
L4 Mid
July 9th, 2026
Mechanical Engineers
Engineering Services
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Systems Engineer IV
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Fathom 4
Charleston, SC
L6 Lead
April 12th, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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Technical Writer
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Fathom 4
Charleston, SC
L5 Senior
April 12th, 2026
Technical Writers
National Security
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Software Integration Engineer
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Fathom 4
Charleston, SC
L6 Lead
April 12th, 2026
Software Developers
Computer Systems Design Services
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Junior DoD Mechanical Engineer - Prototype & Design
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Fathom 4
North Charleston, SC
L3 Junior
June 23rd, 2026
Mechanical Engineers
Engineering Services
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Systems Engineer IV
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Fathom 4
North Charleston, SC
L6 Lead
June 17th, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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Software Integration Engineer
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Fathom 4
Hanahan, SC
L6 Lead
May 27th, 2026
Software Developers
Computer Systems Design Services
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Systems Tester
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Fathom 4
North Charleston, SC
L4 Mid
June 29th, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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HR Assistant - Hybrid, Onboarding & Events Support
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Fathom 4
Charleston, SC
L4 Mid
April 9th, 2026
Human Resources Specialists
Human Resources Consulting Services
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Hybrid HR Assistant - People Operations & Onboarding
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Fathom 4
Charleston, SC
L4 Mid
April 9th, 2026
Human Resources Specialists
Human Resources Consulting Services
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HR Operations Associate (Hybrid)
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Fathom 4
Charleston, SC
L4 Mid
April 9th, 2026
Human Resources Specialists
Human Resources Consulting Services
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Systems Engineer with Security Clearance
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Fathom 4
Charleston, SC
L6 Lead
May 9th, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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Data Scientist
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Fathom 4
Charleston, SC
L5 Senior
June 19th, 2026
Data Scientists
Other Scientific and Technical Consulting Services
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Software Developer
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Fathom 4
North Charleston, SC
L6 Lead
June 25th, 2026
Software Developers
Custom Computer Programming Services
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Mechanical Engineer I
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Fathom 4
Hanahan, SC
L4 Mid
July 14th, 2026
Mechanical Engineers
Engineering Services
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Systems Test Engineer - Secret Clearance, USMC Focus
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Fathom 4
Hanahan, SC
L5 Senior
July 31st, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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On-Site DoD Cyber Security Analyst | RMF & Incident Response
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Fathom 4
Charleston, SC
L5 Senior
September 1st, 2026
Information Security Analysts
Computer Systems Design Services
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Software Developer
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Fathom 4
Hanahan, SC
L6 Lead
June 26th, 2026
Software Developers
Computer Systems Design Services
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Cyber Security Analyst
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Fathom 4
Charleston, SC
L5 Senior
August 14th, 2026
Information Security Analysts
Computer Systems Design Services
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Software Developer
NEXT STEPS
Fathom 4
Charleston, SC
L6 Lead
April 29th, 2026
Software Developers
Computer Systems Design Services
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Human Resources Assistant
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Fathom 4
Charleston, SC
L4 Mid
April 9th, 2026
Human Resources Specialists
Human Resources Consulting Services
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Software Engineer - Test Automation
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Fathom 4
Charleston, SC
L4 Mid
April 12th, 2026
Software Quality Assurance Analysts and Testers
Computer Systems Design Services
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Project Management Analyst (PMA)
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Fathom 4
Charleston, SC
L4 Mid
April 12th, 2026
Project Management Specialists
Other Management Consulting Services
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Systems Engineer
NEXT STEPS
Fathom 4
Charleston, SC
L6 Lead
April 12th, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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Engineering Project Manager III
NEXT STEPS
Fathom 4
Charleston, SC
L6 Lead
April 12th, 2026
Project Management Specialists
National Security
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Project Management Analyst (PMA)
NEXT STEPS
Fathom 4
North Charleston, SC
L4 Mid
April 15th, 2026
Project Management Specialists
Administrative Management and General Management Consulting Services
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Software Developer with Security Clearance
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Fathom 4
Charleston, SC
L6 Lead
May 9th, 2026
Software Developers
Computer Systems Design Services
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Cyber Security Engineer III
NEXT STEPS
Fathom 4
Charleston, SC
L5 Senior
May 17th, 2026
Information Security Analysts
Computer Systems Design Services
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Senior Systems Engineer IV - Lead Hybrid IT/C5ISR (Secret)
NEXT STEPS
Fathom 4
North Charleston, SC
L6 Lead
June 20th, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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Software Integration Engineer On-Site, DoD-Clearance Ready
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Fathom 4
North Charleston, SC
L6 Lead
June 25th, 2026
Software Developers
Computer Systems Design Services
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Software Engineer (C++/Java) - Signals Analysis, On-Site
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Fathom 4
North Charleston, SC
L6 Lead
June 25th, 2026
Software Developers
Custom Computer Programming Services
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Defense Software Integration Engineer Secret Clearance
NEXT STEPS
Fathom 4
North Charleston, SC
L6 Lead
July 16th, 2026
Software Developers
Computer Systems Design Services
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Cyber Security Engineer III
NEXT STEPS
Fathom 4
Hanahan, SC
L5 Senior
May 20th, 2026
Information Security Analysts
Computer Systems Design Services
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Senior Systems Engineer IV - Lead Hybrid IT/C5ISR (Secret)
NEXT STEPS
Fathom 4
Charleston, SC
L6 Lead
June 22nd, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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Senior Systems Engineer - Scalable Infrastructure
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Fathom 4
North Charleston, SC
L6 Lead
June 21st, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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Mechanical Engineer I, DoD Prototype & Design
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Fathom 4
Charleston, SC
L3 Junior
June 24th, 2026
Mechanical Engineers
Engineering Services
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Mechanical Engineer I
NEXT STEPS
Fathom 4
Charleston, SC
L4 Mid
June 19th, 2026
Mechanical Engineers
Engineering Services
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Mechanical Engineer I
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Fathom 4
North Charleston, SC
L4 Mid
June 22nd, 2026
Mechanical Engineers
Engineering Services
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