SlipstreamJobsFresh Startup & VC-Backed Jobs

System Administrator

Voyager Technologies - Jefferson, CO, United States - Hybrid - posted 2026-10-06

Apply on the company site

SlipstreamJobs tracks this role from the company's public career site. Apply directly on the employer's site.

Salary: USD 110,000 - 145,000 / annual

Voyager Technologies, an innovative space, defense, and national security technology company, is seeking a Systems Administrator to manage and maintain enterprise IT infrastructure. You will report to the Director of Infrastructure and be part of the IT Department based in Jefferson, CO, supporting both Jefferson and Golden, CO locations as well as company-wide remote support. This is an onsite-based IT support role requiring hands-on technical expertise in a fast-paced environment, balancing day-to-day operations with longer-term infrastructure improvements. Key Responsibilities: - Administer and maintain Microsoft 365 and Azure environments, including user lifecycle, licensing, and service health - Manage endpoint configuration and compliance policies using Microsoft Intune (MDM/MAM) - Administer Okta for identity and access management, SSO, and MFA policy enforcement - Maintain and optimize Windows Server and Linux Server environments - Support and administer virtualization platforms (VMware, Hyper-V, or equivalent) - Monitor, configure, and troubleshoot network infrastructure including Fortinet firewalls, switches, and VPNs - Manage Active Directory including group policies, OU structure, user/computer accounts, and trust relationships - Write and maintain scripts to automate repetitive tasks and improve operational efficiency (PowerShell, Bash, or Python) - Document systems, procedures, and configurations; maintain up-to-date runbooks - Respond to and resolve escalated support tickets; participate in on-call rotation as needed Required Qualifications: - 5-7+ years of hands-on experience in a systems administration or IT infrastructure role - Proficiency with Microsoft Intune for device enrollment, policy management, and compliance - Strong knowledge of Microsoft 365 (Exchange Online, Teams, SharePoint, Defender) - Experience administering Okta or a comparable identity provider - Solid Azure administration skills (Entra ID, resource management, monitoring) - Experience with virtualization technologies (VMware vSphere, Hyper-V, or similar) - Hands-on experience with Fortinet products (FortiGate firewalls, FortiSwitch, FortiClient VPN) - Networking fundamentals: TCP/IP, DNS, DHCP, VLANs, routing, VPN - Active Directory administration: GPO, LDAP, DNS integration, user/group management - Windows Server administration (2016/2019/2022): roles, features, patching, hardening - Linux server administration (Ubuntu/RHEL/CentOS): package management, services, logging, security - Scripting proficiency in PowerShell, Bash, or Python for automation and tooling - Must have U.S. Person status required for ITAR/export-control eligibility Preferred Qualifications: - Experience with PKI and certificate lifecycle management (internal CA or third-party providers) - Domain management including DNS registrar administration, zone management, and domain transfers - Familiarity with ITSM platforms (ServiceNow, Jira Service Management, or similar) - Relevant certifications: AZ-104, MS-102, Okta Certified Administrator, NSE 4+, MCSA/MCSE

Similar roles