Senior Network Engineer - Mission-Critical Secure Networks

Cimarron Software Services, Inc.; Colorado Springs (CO); On-site; USD 165,000 - 215,000; Full time

Benefits offered by this job

Health insurance

401(k) plan

Paid time off

Job summary

Cimarron Software Services, Inc. seeks a Senior Network Engineer to support MDA IRES on site at Schriever AFB in Colorado Springs or other approved locations. The role requires managing Cisco Nexus Spine-Leaf, NSX, F5 BIG-IP, Infoblox, and Versa SD-WAN in a high-security environment.

Requirements include DoD 8570 IAT II certification, 12+ years general experience with 6+ years directly related, and leadership experience. U.S.

Qualifications

• U.S. citizens only eligible for consideration at this time.
• Background check and drug screening required.
• Real ID-compliant driver’s license or state ID at hire.
• Current DoD 8570 IAT Level II certification required.
• 12+ years of general, full-time work experience; 6+ years in related work.
• 1+ year in a management/leadership role.
• Hands-on experience with Cisco Nexus Spine-Leaf, NSX, F5 BIG-IP, Infoblox, Versa SD-WAN.

Responsibilities

• Configure, deploy, and administer Cisco Nexus in Spine-Leaf EVPN-VxLAN topologies.
• Build and optimize EVPN-VxLAN networks and multi-site fabrics.
• Deploy NSX components and distributed firewalls for segmentation.
• Implement policy-driven micro-segmentation in vSphere/VCF.
• Manage F5 BIG-IP LTM/GTM appliances including iRules and SSL profiles.
• Deploy Versa SD-WAN edge appliances for secure WAN transport.
• Manage IPAM, DNS zones, and DHCP scopes with Infoblox Grid Manager.
• Automate DNS/IP allocation via Infoblox APIs in IaC pipelines.
• Harden assets per DISA RMF and cATO requirements; coordinate tests.

Skills

Cisco Nexus NX-OS

EVPN-VxLAN

VMware NSX

F5 BIG-IP

Infoblox IPAM

Versa SD-WAN

Python/Ansible/Terraform

Team leadership

DoD 8570 IAT Level II

Security clearance (Secret)

Tools

Cisco Nexus switches

NSX components

F5 BIG-IP LTM/GTM

Infoblox Grid Manager

Versa SD-WAN appliances

Job description

Cimarron Software Services, Inc. seeks a Senior Network Engineer to support MDA IRES on site at Schriever AFB in Colorado Springs or other approved locations. The role requires managing Cisco Nexus Spine-Leaf, NSX, F5 BIG-IP, Infoblox, and Versa SD-WAN in a high-security environment.

Requirements include DoD 8570 IAT II certification, 12+ years general experience with 6+ years directly related, and leadership experience. U.S.