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  3. System Engineer- Cyber Security Engineering Focus
Esri logo

System Engineer- Cyber Security Engineering Focus

Esri
St. Louis, Missouri
Full Time
Posted March 6, 2026
$118k - $198k
Not Specified
Apply Now

Application opens on company website

Job Description

A hands-on cybersecurity role focused on applying risk management frameworks, implementing security controls, and maintaining system authorizations for cloud and on-prem environments supporting critical Defense and Intelligence missions.

Key Responsibilities

  • Apply RMF processes to support system assessment, authorization, and continuous monitoring.
  • Develop, review, and maintain security documentation such as SSPs, POA&Ms, SARs, and ATO artifacts.
  • Conduct vulnerability assessments and compliance scans, track remediation efforts.
  • Implement and validate security controls aligned with NIST 800-53, CNSSI 1253, and DoD guidance.
  • Support system hardening, patching, and configuration management in accordance with STIGs.
  • Monitor systems for security events and assist in incident response and risk mitigation.
  • Assess security impacts of system changes and support configuration control activities.
  • Collaborate with system engineers, administrators, and DevSecOps teams to integrate security throughout the system lifecycle.
  • Provide cybersecurity risk input to program leadership, AOs, and stakeholders.

Requirements

  • Eight (8) years of professional experience in a similar position, supporting responsibilities related to system security, risk management, and compliance.
  • Professional experience with Risk Management Framework (RMF), Assessment and Authorization (A&A), Plan of Action and Milestones (POA&M), and Authorization to Operate (ATO) documentation.
  • Hands-on experience with vulnerability scanning and compliance tracking tools such as ACAS and IAVM.
  • Experience securing Linux and Windows systems, including applying Security Technical Implementation Guides (STIGs), patching, and system hardening.
  • Knowledge of NIST 800-series publications and incident response processes.
  • DoD 8570 IAT Level II or higher certification such as Security+, CySA+, or CISSP.
  • Strong analytical, communication, and collaborative skills.
  • U.S. citizenship with an active or current Top Secret Security Clearance with SCI eligibility obtained within the last 2 years.
  • Bachelor’s degree in Computer Science, Cybersecurity, Information Technology, or a STEM-related field.

Benefits & Perks

Relocation Assistance Program support for moving to St. Louis, MO
Industry-leading health and welfare benefits including medical, dental, and vision insurance
Basic and supplemental life insurance for employees and their families
401(k) and profit-sharing programs
Minimum of 80 hours of vacation leave annually
Twelve paid holidays throughout the year
Opportunities for personal and professional growth

Ready to Apply?

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