Senior Network Engineer - F5 and Application Delivery

Switchboard•Centennial, CO

1d•Hybrid

About The Position

Switchboard is seeking a Senior Network Engineer on behalf of Open Technology Solutions (OTS). This is a full-time, direct-hire position responsible for engineering and technical ownership of OTS’s enterprise F5 platform. The role offers hands-on ownership of critical application delivery infrastructure, influence over technical architecture, and an opportunity to modernize a highly available, secure enterprise network environment. Open Technology Solutions is a Credit Union Service Organization (CUSO) that provides shared technology services to credit union partners. It operates on a cooperative model and delivers enterprise-grade IT infrastructure, support, and innovation. OTS emphasizes member focus, collaboration, and long-term relationships. The engineer will own and optimize the F5 BIG-IP platform, particularly APM, LTM, and DNS/GTM; deliver application and remote-access solutions; troubleshoot issues across technology layers; and advance platform modernization, resiliency, monitoring, automation, and engineering standards. The position also contributes to broader network engineering and incident-response work. The role 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. Compensation is $135,000–$150,000 plus a 10% bonus. Sponsorship is unavailable; candidates 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: own the outcome, not just the task.
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 an extensive 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, firewalls, authentication, load balancers, servers, 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.