Senior Network Engineer - F5 and Application Delivery

DESCRIPTION Switchboard is seeking a Senior Network Engineer on behalf of our client, Open Technology Solutions (OTS). This is a full-time, direct-hire role for an experienced engineer to lead engineering and technical ownership of OTS’s enterprise F5 platform. This is a hands-on opportunity to own critical application delivery infrastructure, influence technical architecture, and help modernize a highly available, secure enterprise network environment. If you have deep F5 expertise, troubleshoot across technology boundaries, and want to own a platform rather than just work tickets on it, we want to hear from you. ABOUT OPEN TECHNOLOGY SOLUTIONS Open Technology Solutions (OTS) is a CUSO (Credit Union Service Organization) providing shared technology services to credit union partners. Built on a cooperative model, OTS delivers enterprise-grade IT infrastructure, support, and innovation to its partner organizations, allowing them to compete at a higher level while keeping costs in check. OTS operates with the values of a credit union at its core: member-focused, collaborative, and committed to long-term relationships over short-term wins. RESPONSIBILITIES - Serve as the technical owner for F5 BIG-IP, with 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. QUALIFICATIONS - 1+ years of F5 APM and LTM engineering experience is required. - 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; Cisco and Palo Alto experience preferred. - F5 certifications and financial services experience are a plus. - A platform-ownership mindset. You own the outcome, not just the task. - Collaborative and continuously improving. You leave the platforms you support better than you found them. COMPENSATION & DETAILS - Compensation: $135K–$150K + 10% bonus - Benefits: Medical, dental, and vision; open vacation policy and paid sick time; up to 11 paid holidays; 401(k) with employer match and discretionary contribution - Schedule: Full-time. Includes on-call rotation and after-hours maintenance windows. - Location: Centennial, CO. Hybrid, 3 days in office / 2 remote. - Reports to: Head of Infrastructure Sponsorship not available. Position only available to those with legal authorization to work in the United States.