Senior Network Engineer - F5 and Application Delivery

Switchboard•Centennial, CO

2d•$135,000 - $150,000•Hybrid

About The Position

Switchboard is recruiting a Senior Network Engineer for its client, Open Technology Solutions (OTS). This is a full-time, direct-hire position focused on engineering and technical ownership of OTS’s enterprise F5 platform. The role offers hands-on responsibility for critical application delivery infrastructure, technical architecture, and modernization of a highly available, secure enterprise network environment. OTS is a Credit Union Service Organization (CUSO) that provides shared technology services to credit union partners. Its cooperative model delivers enterprise-grade IT infrastructure, support, and innovation, with an emphasis on member focus, collaboration, and long-term relationships. The position is based in Centennial, Colorado, with a hybrid schedule of three days in the office and two remote. It includes an on-call rotation and after-hours maintenance windows. The role reports to the Head of Infrastructure. Compensation is $135,000–$150,000 plus a 10% bonus. Sponsorship is not available; applicants must be legally authorized to work in the United States.

Requirements

At least 1 year of F5 APM and LTM engineering experience.
Strong understanding of TCP/IP, DNS, HTTP/S, SSL/TLS, SAML, VPN, iRules, and application traffic flows.
Demonstrated ability to independently troubleshoot complex application delivery and network performance issues.
Broad enterprise networking experience.
Platform-ownership mindset, with accountability for outcomes.
Collaborative approach and commitment to continuous improvement.
Legal authorization to work in the United States; sponsorship is not available.

Nice To Haves

Cisco experience.
Palo Alto experience.
F5 certifications.
Financial services experience.

Responsibilities

Serve as the technical owner for F5 BIG-IP, with a focus on APM, LTM, and DNS/GTM.
Engineer and optimize application delivery, secure remote access, authentication, SSO, load balancing, and high-availability solutions.
Lead end-to-end application troubleshooting across network, firewall, authentication, load-balancer, server, and application layers.
Drive platform modernization, lifecycle management, monitoring, automation, resiliency, and engineering standards.
Partner with application, infrastructure, and security teams to resolve complex performance and connectivity issues.
Support broader network engineering initiatives, including routing, switching, firewalls, connectivity, and incident response, as needed.