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Network Security Engineer

Job in Springfield, Sangamon County, Illinois, 62777, USA
Listing for: Noblis
Full Time position
Listed on 2026-01-01
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
  • Engineering
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 105100 - 164125 USD Yearly USD 105100.00 164125.00 YEAR
Job Description & How to Apply Below

Responsibilities

We are looking for highly technical professionals with a strong foundation in network architecture, design, and security — individuals who are ready to step up from traditional network engineering roles to take ownership of strategic, architecture-level responsibilities. Ideal candidates will have deep understanding of networking, security architecture and design, and experience applying Federal security guidelines (e.g, NIST 800-53, FISMA, etc.) to harden and secure systems.

These are the types of professionals who understand both the big-picture architecture and the hands-on technical details, and who are prepared to make security-focused architectural recommendations in complex environments.

The TIS Security Engineer will support the FAA Telecommunications and Integrated Services (TIS) Group and provide expert-level security engineering across the FAA’s FTI environment. This includes:

  • Analyzing and guiding network architecture to ensure cybersecurity is built-in from the ground up.
  • Performing hands‑on reviews of system configurations, firewall rules, and network paths to align with FAA Orders, NIST 800‑53, and federal cybersecurity standards.
  • Leading efforts in transitioning technologies (e.g., IPv4 to IPv6, microwave radio refreshes) from a cybersecurity and network architecture perspective.
  • Supporting the integration of Zero Trust, Software‑Defined Networking (SDN), and defense‑in‑depth strategies into enterprise‑level solutions.
  • Acting as a technical bridge between FAA cyber stakeholders and infrastructure providers (network, security, cloud).
  • Evaluating vendor‑proposed architectures and making expert‑level recommendations based on federal policy, security principles, and industry best practices.
Required Qualifications
  • Experience supporting federal government programs, ideally within the FAA or transportation sector.
  • Proven experience with hands‑on network engineer or architecture and understands network design, configurations, firewalls, VPNs, IDS/IPS, and load balancing.
  • Knowledge of telecommunications infrastructure, including IPv4/IPv6, and WAN/LAN environments.
  • Understand federal cybersecurity frameworks (NIST RMF, FISMA, NIST SP 800‑53 rev
    5).
  • Can evaluate network and system security concepts for large‑scale, safety‑critical systems like those in the National Airspace System (NAS).
  • Comfortable advising on defense‑in‑depth architectures, Zero Trust CONOPS, SD‑WANs, and emerging tech.
  • Have experience collaborating with engineers, PMs, and cybersecurity stakeholders to support ATO packages and continuous monitoring.
  • Ability to develop system security plans, risk assessments, and related security documentation.
  • U.S. Citizenship or Permanent Residency with 3+ years U.S. residency.
  • Bachelor’s degree in Cybersecurity, Information Technology, Telecommunications, or a related field.
  • 12+ years of experience in cybersecurity or network security roles.
  • Substitutions:
    For anything requiring a substitution, the governemnt customer is subject to further review and either approve or deny the request.
  • A High School degree with a total of 18 years of experience in cybersecurity or network security roles.
  • Masters degree with a total of 9 years of experience in cybersecurity or network security roles.
Desired Qualifications
  • CISSP, Security+, CCNA, or similar certification.
  • FAA or transportation sector experience preferred.
  • Familiarity with Zero Trust Architecture, Security Orchestration, and network virtualization (e.g., NFV).
  • Strong written, verbal, and interpersonal skills.
Compensation

For D.C., NJ, Remote: $105,100 - $164,125.

Posted Salary Range

USD $ - USD $ /Yr.

Commitment to Non‑Discrimination

All qualified applicants will receive consideration for employment without regard to race, color, ethnicity, sex, age, national origin, religion, physical or mental disability, pregnancy/childbirth and related medical conditions, veteran or military status, or any other characteristics protected by applicable federal, state, or local law.

EEO is the Law | E‑Verify | Right to Work

EEO is the Law | E-Verify | Right to Work

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