Senior Systems Administrator

ASRC Federal Holding Company
Arizona
ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareholders. Join our team and discover why we are a top veteran employer and Certified Great Place to Work ASRC Federal is seeking a Senior Systems Administrator (Part-time) to support our federal customer by maintaining and securing both physical and virtual network infrastructures. This role is focused on ensuring continuous and secure operations across a Microsoft-based environment, including administration of Microsoft 365 (M365) tools and network infrastructure. This is a remote position. **Key Responsibilities:** **Microsoft 365 Administration:** + Manage and maintain M365 Government environments, including user and group management. + Administer Microsoft tools such as Intune, Defender, Compliance Center, and Security Center. + Support activities related to: + Data Loss Prevention (DLP) + eDiscovery + Retention policies + Information Protection + Threat Management + Administer Exchange Admin Center and SharePoint Admin Center. + Proficient in Microsoft Teams administration and integration. + Experience with Microsoft Entra ID (formerly Azure AD) and Entra Admin Center. + Strong understanding of hybrid environments and identity management solutions such as: + Single Sign-On (SSO) + Multi-Factor Authentication (MFA) + Directory synchronization between on-prem AD and Azure AD. + Use PowerShell scripting to automate M365 administrative tasks. **Network Administration & Security:** + Configure, maintain, and document physical and virtual networks, including: + VLANs + Firewalls + Switches + Apply firmware and system updates. + Experience with Palo Alto Networks firewalls. + Diagnose and resolve network issues, optimize network performance. + Monitor and respond to data backup logs and address related issues. + Manage LAN/WAN/VLAN design and enhancements. + Provide recommendations for Configuration Management (CM) and implement improvements. + Support disaster recovery by testing and maintaining backup and recovery solutions. + Maintain detailed and accurate network documentation, including: + IP schemes + Device configurations + Topology diagrams + Change logs **IT Operations & Maintenance (O&M):** + Ensure uninterrupted operations of the agency's network infrastructure and endpoint devices. + Manage network backups and system recovery operations. + Support software installation and configuration to measure and improve network performance. + Provide regular status reports, recommendations, and technical documentation. + Collaborate with cross-functional teams to plan and execute system migrations from on-prem to M365, including hybrid and coexistence scenarios. **Qualifications:** + Bachelor's degree in Computer Science or a related field; OR + At least 9 years of experience in maintaining computer networks and systems if no degree is held. + 5+ years of professional experience in network and systems administration. Preferred Experience: + Experience in federal or government IT environments. + Familiarity with compliance and cybersecurity standards such as FISMA, NIST, and RMF frameworks. We invest in the lives of our employees, both in and out of the workplace, by providing competitive pay and benefits packages. Benefits offered may include health care, dental, vision, life insurance; 401(k); education assistance; paid time off including PTO, holidays, and any other paid leave required by law. **_EEO Statement_** _ASRC Federal and its Subsidiaries are Equal Opportunity employers. All qualified applicants will receive consideration for employment without regard to race, gender, color, age, sexual orientation, gender identification, national origin, religion, marital status, ancestry, citizenship, disability, protected veteran status, or any other factor prohibited by applicable law._ **Job Details** **Job Family** **Information Technology** **Job Function** **Systems Administration** **Pay Type** **Salary**
Posted 2025-07-29

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