Senior Network Security Engineer (Top Secret Clearance)

RMS Until 8/23/2026 First posted May 29, 2026 Last posted June 5, 2026
Job description
- Network‑security experience.
- An Active Final Top‑Secret U.S. security clearance, with a valid passport, and ability to travel to remote sites.
- Department of War (DoW) Risk Management Framework (RMF) / Cybersecurity Risk Management Construct (CSRMC) and Security Technical Implementation Guides (STIG) Experience
- IAT Level II 8140‑compliant certification (e.g., Security+, GSEC, SCNP, SSCP, CISSP, CISA, GSE, SCNA, etc.). If you don't possess the certification, you must be able to obtain the certification within 60 days of starting.
- Network Fundamentals: Strong grasp of the OSI model, TCP/IP, VLANs, UDP multicast, and ACL design/function.
- Multi‑Vendor Device Expertise: Hands‑on configuration of firewalls (Juniper, Cisco, Palo Alto), routers, and switches (Juniper & Cisco), plus experience with virtualization (VMware/ESXi).
About this role

Summary

Designs, implements, and manages network security protocols, configurations, and certifications.

Job title

Senior Network Security Engineer (Top Secret Clearance)

Experience level

senior level

Industry

defense

Location requirements

RMS location, remote work not specified, travel required.

Salary

Not specified

Management role

No

Skills & keywords

Required skills

network-securitytop-secret clearancerisk managementfirewallsVLANsTCP/IP

Preferred skills

STIGcertification within 60 daysfirewall configurationmultivendor device expertisevirtualization

Specializations

network securitycybersecurityrisk managementfirewallsvirtualization
Locations

Structured locations inferred from the posting.

3211 Nebraska Ave, Council Bluffs, IA 51501, USA

Work arrangement unknown City