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IT Security Analyst

TEKsystems Stennis Space Center, MS

Stennis Space Center, MS

Today

$43 - $57/hr Contract Cloud Platforms Cybersecurity Operations Information Security

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Job Description

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

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