Cyber Security Analyst III

Abacus Technology; Sumter (SC); On-site; USD 90,000 - 120,000; Full time

Job summary

Abacus Technology is seeking a Cyber Security Analyst III to support AFCENT NOSC at Shaw AFB. This is a full-time position focused on monitoring and defending DoD networks, analyzing IDS/IPS data, and implementing security controls.

The role requires CISSP, Network+ or CCNA, ITIL v5 Foundations, and TS/SCI with polygraph, US citizenship, and willingness to travel CONUS. Candidates must have 5+ years in cyber security and Windows/Linux expertise.

Qualifications

• 5+ years in cyber security and related field.
• Must have CISSP, Network+/CCNA, and ITIL v5 Foundations or equivalents.
• US citizen with TS/SCI clearance.
• Experience with IDS/IPS, firewalls, and vulnerability assessments.
• Strong Windows and Linux (Red Hat, Fedora) knowledge.

Responsibilities

• Analyze network intrusion detection systems and conduct vulnerability assessments.
• Develop methods to detect and prevent intrusive activities.
• Assist in developing countermeasures to isolate and contain threats.
• Install, configure, maintain, and manage security devices (IDS/IPS, firewalls, logs).
• Analyze firewall and server logs and develop mitigation strategies.
• Write custom scripts for cybersecurity tool tasks and responses.
• Provide LAN/WAN support and 24/7/365 coverage as needed.

Skills

Cyber security

Networking

System administration

Scripting

Analytical skills

Education

Bachelor's degree in a related field

CISSP

Network+ or CCNA

ITIL v5 Foundations

TS/SCI clearance

Tools

IDS/IPS

Fidelis

Trellix

LogRhythm

Job description

Cyber Security Analyst III

Job Locations

US-SC-Sumter

Job ID

2026-8598

Overview

Abacus Technology is seeking a Cyber Security Analyst to provide technical support for the AFCENT Network Operations and Security Center (NOSC) at Shaw AFB. This is a full-time position.

Responsibilities

Analyze network intrusion detection systems and conduct vulnerability assessments.
• Develop methods to detect and prevent intrusive activities utilizing knowledge.
• Assist in developing countermeasures to isolate, contain and prevent intrusive actives and secure.
• Install, configure, maintain, and manage the AFCENT/USCENTCOM security devices to include but is not limited to IDS/IPS, ESS/HBSS, and forensic tools.
• Assist in development and documentation of sensor process and checklists.
• Analyze network firewall and computer network server (DNS, proxy, domain controller, file server, Active Directory) logs.
• Develop methods to identify contain, log, and analyze intrusive activities and security vulnerabilities on AFCENT networks.
• Conduct network security monitoring and intrusion detection analysis using the AFCENT/USCENTCOM selected security tools to include but is not limited to IDS/IPS, firewall, proxy, router, Fidelis, Trellix, and LogRhythm logs.
• Write and develop custom scripts as needed to perform tasks relate to all Cybersecurity toolsets, such as custom parsers and responses.
• Provide LAN/WAN support.

Qualifications

5+ years experience in cyber security. Bachelor's degree in a related field. Additional years of experience may be substituted for degree requirements. Must be CISSP certified. Must be Network+ or CCNA certified. Must hold the ITIL v5 Foundations certification or be able to obtain the certification within 60 days of hire. Must have firewall experience. Experience with intrusion detection and vulnerability assessments. Strong knowledge of Microsoft Windows technologies, including Active Directory, Windows Administration, scripting, and Windows configuration techniques. Linux experience to include Red Hat and Fedora. Networking experience including routers, switches, and firewalls. Experience with Cisco and Juniper. Must be detail oriented and possess the ability to work in a multi-disciplined environment with an adaptive personality. Strong analytical and communication skills. Must be a team player able to work professionally and collaboratively with the government customer and other contract members of the project team. Must be able to provide support in a 24/7/365 environment including occasionally covering shifts outside of the assigned shift and/or providing after hours, weekend, or holiday support as needed on a rotational basis. Must be able to travel to CONUS sites to provide TDY support. Must be a US citizen and hold a current Top Secret clearance with SCI access (TS/SCI).

Applicants selected will be subject to a U.S. government security investigation and must meet eligibility requirements for access to classified information.

EOE/M/F/Vet/Disabled