Fathom 4, LLC Jobs Hiring Now
Fathom 4, LLC is hiring for 5 open roles on Migrate Mate as of July 16, 2026, concentrated in engineering (Non-Software) and software engineering. Migrate Mate updates Fathom 4, LLC's live openings daily. Fathom 4, LLC is a defense and engineering services firm supporting government and military clients through systems engineering, software development, and technical analysis.
Find Fathom 4, LLC JobsOverview
Fathom 4, LLC hiring data on Migrate Mate, as of July 16, 2026.
- Open jobs
- 5
- Top team
- Engineering (Non-Software)
- Seniority
- Across all levels
- Work type
- 0% remote or hybrid
- Top location
- N Charleston
Open Roles at Fathom 4, LLC
Showing 5 of 5+ Fathom 4, LLC jobs
Fathom-4, LLC in North Charleston, SC is looking for a qualified individual to perform system level software testing and maintain test plans for security updates. Candidates must possess a B.S. degree in relevant fields with strong knowledge of USMC SETR processes and a current Secret Clearance.The role requires 2-5 years of experience with hardware and software testing. Exceptional communication skills are necessary to document efforts and collaborate with the development team. The position is on-site with minimal travel expected.#J-18808-Ljbffr
Fathom-4, LLC in North Charleston, SC is looking for a qualified individual to perform system level software testing and maintain test plans for security updates. Candidates must possess a B.S. degree in relevant fields with strong knowledge of USMC SETR processes and a current Secret Clearance.The role requires 2-5 years of experience with hardware and software testing. Exceptional communication skills are necessary to document efforts and collaborate with the development team. The position is on-site with minimal travel expected.#J-18808-Ljbffr
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Systems Test Engineer - Secret Clearance, USMC Focus
- Fathom 4
- North Charleston, South Carolina 29405 United States View Map
- Posted: Jul 10, 2026
- Location: North Charleston,South Carolina
- Full Time
- Federal Government
Fathom-4, LLC in North Charleston, SC is looking for a qualified individual to perform system level software testing and maintain test plans for security updates. Candidates must possess a B.S. degree in relevant fields with strong knowledge of USMC SETR processes and a current Secret Clearance.The role requires 2-5 years of experience with hardware and software testing. Exceptional communication skills are necessary to document efforts and collaborate with the development team. The position is on-site with minimal travel expected.#J-18808-Ljbffr
Fathom-4, LLC in North Charleston, SC is looking for a qualified individual to perform system level software testing and maintain test plans for security updates. Candidates must possess a B.S. degree in relevant fields with strong knowledge of USMC SETR processes and a current Secret Clearance.The role requires 2-5 years of experience with hardware and software testing. Exceptional communication skills are necessary to document efforts and collaborate with the development team. The position is on-site with minimal travel expected.#J-18808-Ljbffr
Government Careers
Government jobs offer stability, competitive benefits, and the chance to make a meaningful impact on your community and country.
Whether you’re starting your career or seeking new opportunities, these roles provide pathways for growth, security, and service.
Explore positions across a wide range of fields and take the first step toward a rewarding future in public service.
Systems Test Engineer - Secret Clearance, USMC Focus
- Fathom 4
- North Charleston, South Carolina 29405 United States View Map
- Posted: Jul 10, 2026
- Location: North Charleston,South Carolina
- Full Time
- Federal Government
Job Roles at Fathom 4, LLC
Working at Fathom 4, LLC
Fathom 4, LLC's 5 open roles are across all levels, and about 0% are remote or hybrid. The most active teams are engineering (Non-Software), software engineering, and biotech & life sciences. Fathom 4, LLC is a small defense and engineering services company that provides technical support to government and military clients, with work spanning systems engineering, mechanical engineering, software development, data science, and test and evaluation. Roles frequently require security clearances, reflecting the company's focus on defense program support. Most Fathom 4, LLC roles are based in N Charleston and North Charleston.
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Browse jobs by roleFathom 4, LLC Jobs: Frequently Asked Questions
How many jobs is Fathom 4, LLC hiring for right now?
Fathom 4, LLC is hiring for 5 open roles on Migrate Mate as of July 16, 2026, updated daily, concentrated in engineering (Non-Software) and software engineering. Fathom 4, LLC posts positions across systems engineering, software development, and data science, often requiring active security clearances for defense-focused work.
What kinds of roles does Fathom 4, LLC hire for?
The most active teams are engineering (Non-Software), software engineering, and biotech & life sciences. Fathom 4, LLC hires across engineering disciplines, including systems engineers, mechanical engineers, and software developers, as well as data scientists and test engineers. Many postings are specialized technical positions with defense or military program requirements. Most postings are across all levels, with some roles specifying clearance levels such as Secret.
Are Fathom 4, LLC jobs remote or in-person?
Mostly on-site. About 0% of Fathom 4, LLC's open roles on Migrate Mate are remote or hybrid as of July 16, 2026, with the rest based in N Charleston. Each Fathom 4, LLC listing shows its work location so you can filter before applying.
How do I apply to a job at Fathom 4, LLC?
Find a Fathom 4, LLC role you want on Migrate Mate, then follow the listing through to Fathom 4, LLC's own application page. Fathom 4, LLC manages its own hiring process, including any screening, interviews, and clearance verification steps required for defense positions.
Does Fathom 4, LLC hire entry-level?
Most of Fathom 4, LLC's open roles on Migrate Mate are across all levels as of July 16, 2026. Check individual Fathom 4, LLC listings for stated experience requirements.
Where is Fathom 4, LLC hiring?
Most Fathom 4, LLC roles are based in N Charleston and North Charleston, and about 0% offer remote or hybrid work as of July 16, 2026. Migrate Mate shows the location on each listing.