IT Security Analyst

TEKsystems is hiring an onsite IT Security Analyst at Stennis Space Center, MS to support NDBC mission-critical infrastructure and assist the federal ISSO with RMF execution, audits, and continuous ATO.

Responsibilities

• Support the federal ISSO by maintaining RMF artifacts, including System Security Plans (SSPs), Risk Assessment Reports (RARs), and Plans of Action and Milestones (POA&Ms).
• Lead and coordinate technical teams through internal and external security audits, including audit activities involving DOC, GAO, and OIG, plus the annual Assessment and Authorization (A&A) process.
• Collect and organize evidence, document audit paths, and drive remediation activities to support continuous ATO.
• Run routine vulnerability scans using enterprise tools (for example Tenable Nessus/ACAS) and assist technical teams with hardening for operating systems, databases, and network devices aligned to DISA STIGs and CIS Benchmarks.
• Perform Security Impact Analyses (SIA) for proposed hardware, software, and configuration changes to evaluate risk and confirm alignment with NIST SP 800-53 controls.
• Monitor system logs to identify, isolate, and mitigate potential threats across hybrid infrastructure.
• Translate complex security controls into actionable requirements for IT personnel, and communicate risk and compliance status to non-technical stakeholders and leadership.
• Maintain current documentation supporting related security and compliance activities.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or equivalent.
• Security+ certification (minimum).
• CISSP certification is preferred.
• 5+ years of progressive cybersecurity experience, with a strong focus on federal Information Assurance (IA) and the Risk Management Framework (RMF).
• Experience working within federal agency guidelines (examples: NOAA, DOC, GAO, OIG) and navigating internal/external audit cycles.
• Deep, hands-on understanding of NIST SP 800-53 (Revision 4/5) security controls and the 7-step RMF process.
• Ability to author and support technical artifacts such as SSPs, RARs, and POA&Ms.
• Proficiency translating DISA STIGs and CIS Benchmarks into implementable technical requirements for Windows/Linux, databases, and network devices.
• Advanced experience using and analyzing data from enterprise scanning tools, including Tenable Nessus, SecurityCenter, or ACAS.
• Experience using SIEM platforms and security dashboards to monitor logs, correlate events, and identify anomalies.
• Ability to conduct technical Security Impact Analyses (SIA) to assess how changes affect the overall security baseline.
• Strong technical background and capability to serve as a liaison between IT personnel and stakeholders.
• Extensive knowledge implementing security controls on Windows and Linux systems in onsite and cloud environments (AWS and Microsoft Azure).
• Excellent communication skills, including translating technical concepts for diverse audiences.
• Strong organization skills with attention to detail.

Technologies

• Tenable Nessus
• ACAS
• SecurityCenter
• DISA STIGs
• CIS Benchmarks
• NIST SP 800-53
• RMF
• SIEM
• Windows
• Linux
• Amazon Web Services (AWS)
• Microsoft Azure

Benefits

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan
• Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Job Type & Location

• Contract position
• Fully onsite at Stennis Space Center, MS

Pay

• $43.00 - $57.00/hr

Application Deadline

• Anticipated to close on Nov 19, 2026