IT Security Analyst

Lynker

. Safeguard mission-critical infrastructure for the National Data Buoy Center (NDBC) .

Posted 9/23/2026full-timeStennis • Mississippi • United StatesMid-LevelSenior💰 $90,000 - $120,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in cybersecurity with a focus on federal Information Assurance and Risk Management Framework, including the ability to author and defend security documentation and conduct security audits. Proficient in implementing security controls across various environments, ensuring compliance with federal guidelines and standards.

Highest-signal resume keywords

Risk Management Framework (RMF)System Security Plans (SSPs)Tenable NessusNIST SP 800-53Security+ Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

CybersecuritySecurity Impact Analysis (SIA)Vulnerability ScanningSecurity AuditsSecurity Controls ImplementationDISA STIGsCIS BenchmarksWindows SecurityLinux SecurityAWS Security

Soft Skills

Excellent CommunicationAttention to DetailStakeholder Liaison

Tools & Technologies

Tenable NessusSecurityCenterACASSIEM PlatformsSecurity Dashboards

Certifications & Qualifications

Security+ CertificationCISSP Certification

Industry Keywords

Federal Information Assurance (IA)NOAADOCGAOOIGPublic Trust ClearanceBackground Investigation

Tech Stack

Tools & technologies

AWSAzureCyber SecurityLinux

About the role

Key responsibilities & impact

Safeguard mission-critical infrastructure for the National Data Buoy Center (NDBC)
Work directly with the federal Information System Security Officer (ISSO) and contractor technical staff
Maintain NDBC systems' robust security posture and continuous Authority to Operate (ATO)
Support the ISSO in maintaining Risk Management Framework (RMF) artifacts, including SSPs, RARs, and POA&Ms
Lead technical teams through internal and external security audits and the annual Assessment and Authorization (A&A) process
Gather evidence, document audit paths, and drive remediation actions
Execute vulnerability scans using Tenable Nessus/ACAS and guide teams in hardening systems according to DISA STIGs and CIS Benchmarks
Perform Security Impact Analyses for proposed hardware, software, and configuration changes
Monitor system logs to identify, isolate, and mitigate potential threats across hybrid infrastructure
Translate security controls into actionable requirements and communicate risk and compliance status to stakeholders and leadership
Keep related documentation current

Requirements

What you’ll need

Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or equivalent
Minimum of Security+ certification; CISSP certification is preferred
5+ years of progressive experience in cybersecurity, with a heavy focus on federal Information Assurance (IA) and the Risk Management Framework (RMF)
Proven track record working within federal agency guidelines (e.g., NOAA, DOC, GAO, OIG) and navigating complex internal/external audit cycles
Deep, practical understanding of NIST SP 800-53 (Revision 4/5) security controls and the 7-step RMF process
Demonstrated ability to author and defend System Security Plans (SSPs), Risk Assessment Reports (RARs), and Plans of Action and Milestones (POA&Ms)
Proficiency translating DISA STIGs and CIS Benchmarks into actionable technical requirements
Advanced experience with Tenable Nessus, SecurityCenter, or ACAS
Experience with SIEM platforms and security dashboards
Ability to conduct technical Security Impact Analyses (SIA)
Strong technical background and ability to liaise between technical IT personnel and stakeholders
Extensive knowledge implementing security controls on Windows and Linux systems, onsite and in AWS and Microsoft Azure environments
Excellent communication skills and attention to detail
Must successfully complete a NOAA (Stennis Space Center)/NASA background investigation
Must obtain and maintain facility credentials/authorization and a Public Trust clearance
US Citizenship or a valid Green Card required for facility credentials/authorization at this work location

Benefits

Comp & perks

Comprehensive healthcare for the employee at no monthly cost
Medical, prescription drug, dental, and vision coverage
Personal Time Off (PTO) plus paid holidays
Highly competitive compensation plan regularly calibrated against industry and location benchmarks
401(k) retirement plan with company matching
Employee Stock Ownership Plan (ESOP)
Flexible spending accounts
Employee assistance program (EAP)
Short- and long-term disability insurance
Life and accident insurance
Tuition assistance/Training/Workforce improvement reimbursement per year
Spot bonuses for exceptional performance
Annual Employee Recognition Awards with bonuses
Employee Referral Program
Free centralized, self-directed Learning Management System
Personalized career growth plans for every employee