Senior Network/Infrastructure Administrator
TEKsystems•Grand Junction, CO
•$120,000 - $150,000•Onsite
About The Position
We are seeking a Senior Infrastructure Administrator to support and maintain a critical on‑prem and hybrid infrastructure environment supporting approximately 850 users. This role is ideal for a well‑rounded infrastructure professional who enjoys hands‑on work across identity, servers, and networking, and who thrives in a small, collaborative IT team. The position is primarily on‑site at a Western Slope data center, with some flexibility after onboarding. Occasional travel to regional office locations is required for hardware work, projects, or emergency response.
Requirements
- Strong hands‑on experience with Active Directory Domain Services, Group Policy, LDAP, and authentication troubleshooting
- Experience with authentication protocols and Certificate Services / PKI
- Production experience with Cisco routers and switches
- Proven background administering on‑prem infrastructure environments
- Strong troubleshooting skills across servers, networking, and identity systems
- Ability to work independently, make decisions with minimal supervision, and collaborate effectively with cross‑functional teams
- 5+ years of infrastructure or network administration experience in multi‑site environments
- Valid driver’s license and ability to travel locally as needed
Nice To Haves
- Azure / hybrid identity experience (Entra ID)
- VMware / vCenter and virtualization technologies
- Meraki networking, Wi‑Fi, and access points
- Backup and replication solutions
- Experience in regulated or high‑availability environments
Responsibilities
- Administer and support Active Directory Domain Services (AD DS), Group Policy, identity, and authentication services
- Support and troubleshoot authentication protocols and Certificate Services (internal CA / PKI)
- Administer and troubleshoot Cisco route/switch networking in a production environment, including hardware refreshes and cutovers
- Manage and support on‑prem infrastructure, including servers, hypervisors, SANs, and supporting systems
- Troubleshoot complex issues spanning servers, networking, and identity, owning incidents end‑to‑end
- Monitor infrastructure performance, availability, and security; implement improvements as needed
- Perform OS, firmware, and security patching across infrastructure platforms
- Work closely with system administrators, application teams, and vendors during investigations and remediation
- Participate in audits, disaster recovery testing, and infrastructure planning initiatives
- Serve as a Senior technical resource and mentor to other team members when needed
Benefits
- For an overview of our employee benefits, please visit: Alpine Bank Careers Page
Stand Out From the Crowd
Upload your resume and get instant feedback on how well it matches this job.
Upload and Match Resume
What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
