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Careers at Core4ce

Core4ce is actively recruiting highly-qualified individuals to fill a variety of remote positions, as well as openings in the Charleston, SC area.

Current openings include:

  • General Accountant
  • Cyber Security Analyst
  • Network Security Firewall Engineer
  • Jr. DevOps Software Engineer
  • Mid-Level DevOps Software Engineer
  • Mid-Level Developer
  • Software Developer

Click here to see our full list of openings, or contact our recruitment team at to discuss career opportunities.

Explore Open Positions

Cybersecurity ESS/HBSS Engineer

Location: North Charleston, SC

Core4ce is hiring a cybersecurity engineer to join the team.


  • 5 years of experience in relevant technical field, to include: Technology Analysis and Assessment, Design Definition, Development of Systems Specification, Systems Analysis, Systems Architecture, Systems/Equipment Integration, Test & Evaluation Criteria, and Logistics support of C5ISR requirements.
  • Experience in designing, maintaining and/or deploying HBSS or ACAS systems in a DoD environment
  • Experience with advanced tuning of ESS/HBSS policies to remediate issues impacting NSIPT assets and ES customer assets, including Application Integration (AI) System Integration Testing (SIT) event support for policy tuning prior to deployment
  • Experience utilizing DISA STIGs to harden and secure Windows and/or Linux systems
  • Design, testing and validation experience on DoD-deployed systems, specifically related to ACAS or HBSS systems
  • Solid understanding of current operating system security design best practices
  • Knowledge of CND ashore and afloat systems is a plus
  • Knowledge of the RMF process and supporting deliverables is a plus
  • Experience with design, deployment and/or sustainment of HBSS or ACAS systems in large (15,000+) node environments is a plus
  • DoD 8570.1 IAT Level II certifications: GSEC, Security+, SCNP, SSCP, CISSP.
  • Operating system or equivalent certification (Linux+, MCSA, or similar).
  • Minimum of a Secret security clearance to start and will require a Top Secret to be obtained after on-boarding.
Apply Now!

Our people are our greatest asset

We are a team of entrepreneurs, data scientists, engineers, and cyber experts who work with the federal government to counter global adversaries.

Are you looking for exciting opportunities to contribute and be part of a fast-paced team environment? We are looking for people like you: talented, curious, and energetic. If you are ambitious, team-oriented, and not afraid of sharing new ideas, we want to hear from you.


We take care of our people so Core4ce can deliver the highest mission value every day. Core4ce provides a competitive and comprehensive benefits program dedicated to the wellness of our team members and their families:

  • Medical, dental, and vision coverage. Employee coverage is 100% paid.
  • Life insurance, AD&D, short-term and long-term disability coverage. Core4ce pays 100%.
  • 401k matching.
  • PTO, paid holidays, and maternity/paternity leave.
  • Tuition and certification reimbursement.
  • Tutoring assistance for employees and their dependents.

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