Senior Microsoft Infrastructure Administrator

🔥 1 minute ago

🏛️ District of Columbia, Washington – Remote

🏛️ District of Columbia – Remote ☕ Washington – Remote

⏰ Full Time

🟠 Senior

🖥️ Administration

👻 Ghost score 10%

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Koniag Government Services

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 1975

🏛️ Government

🎖️ Defense

💼 Consulting

Government • Defense • Consulting

Koniag Government Services is an Alaska Native Corporation (ANC) that provides technical, professional, and operational expertise to the U. S. public sector. KGS supports Defense & Intelligence, Federal Civilian, and Health customers with enterprise solutions, professional services, and operations management, and emphasizes mission-focused outcomes, contracting speed (ANC direct awards), and strategic/technology partnerships. The company positions itself as a mission partner delivering people, technology, and program management to government customers.

📋 Description

• Provide expert-level administration, configuration, and engineering support for the client's Microsoft 365 environment • Lead planning and execution of Microsoft 365 service updates, feature rollouts, and configuration changes under ITIL 4 change management practices • Monitor Microsoft 365 service health, performance, and security posture and proactively address issues • Develop and maintain Microsoft 365 configuration standards, policies, and governance documentation • Support Microsoft 365 license management and optimization • Administer and engineer the client's Microsoft Azure Government environment • Lead Microsoft Entra identity service integrations and administration, including IAL2 identity assurance, multi-factor authentication, and single sign-on • Support Zero Trust Architecture through Entra identity, conditional access, and least-privilege access controls • Manage Azure Government subscriptions, resource groups, RBAC, and policy enforcement • Coordinate with Infrastructure and Platform Operations on Azure-hosted workloads and cloud infrastructure • Support FedRAMP compliance for Azure Government services • Lead Microsoft Endpoint Manager (Intune) administration and engineering for device management, compliance, and application deployment • Manage Microsoft Defender for Endpoint configuration, policies, and incident response coordination • Develop and maintain endpoint baselines, compliance policies, and security standards aligned with NIST SP 800-53 • Support Windows endpoint patch management and software deployment • Coordinate with NOC and Service Desk teams on endpoint incidents and escalations • Administer and engineer Exchange Online, including mail flow, transport rules, anti-spam/anti-phishing policies, and mailbox management • Support Microsoft Teams administration, governance, meeting configurations, and A/V integrations • Manage DMARC, DKIM, SPF, and Microsoft Defender for Office 365 configurations • Coordinate on Microsoft Teams Rooms integration and support • Troubleshoot complex Exchange Online and Teams incidents as senior escalation point • Ensure Microsoft infrastructure complies with FISMA, NIST SP 800-53, FedRAMP, and client cybersecurity policies • Administer Microsoft Purview compliance solutions, including data loss prevention and information protection • Support Zero Trust Architecture principles under NIST SP 800-207 and OMB M-22-09 • Apply least-privilege and separation-of-duties principles • Support security assessments, audit evidence collection, and remediation • Report suspected or confirmed Microsoft infrastructure security incidents • Serve as senior escalation point for complex Microsoft infrastructure incidents and problems • Independently diagnose and resolve cross-domain infrastructure issues • Manage the Microsoft infrastructure incident lifecycle in the Government ITSM platform • Coordinate with NOC, Service Desk, network, and infrastructure teams • Develop and maintain troubleshooting runbooks, escalation procedures, and knowledge base articles • Provide technical guidance and mentoring to junior administrators • Assign and prioritize Microsoft infrastructure work items aligned with Sprint commitments and operational priorities • Ensure team cross-training across Microsoft infrastructure functions • Conduct quality reviews of team members' work • Support recruitment, onboarding, and professional development of Microsoft infrastructure personnel

🎯 Requirements

• Minimum 6–8 years of hands-on enterprise Microsoft infrastructure administration and engineering experience • Demonstrated experience administering and engineering Microsoft 365, Azure Government, and Microsoft Entra in a Federal or comparable enterprise environment • Proven experience with Microsoft endpoint management using Microsoft Intune and Microsoft Defender for Endpoint • Experience implementing and maintaining Zero Trust Architecture principles across Microsoft platforms • Demonstrated experience in a Federal or private-sector enterprise environment of comparable scale, complexity, and security posture • Proven ability to independently resolve complex, cross-domain Microsoft infrastructure problems at the enterprise level • Experience with FedRAMP-authorized Microsoft services and Federal security compliance requirements • Expert-level proficiency in Microsoft 365 administration, including Exchange Online, SharePoint, OneDrive, and Teams • Expert-level proficiency in Microsoft Azure Government and Azure Active Directory (Entra ID) • Expert-level proficiency in Microsoft Entra identity governance, conditional access, and privileged identity management • Expert-level proficiency in Microsoft Endpoint Manager (Intune) for device management and compliance • Expert-level proficiency in Microsoft Defender for Endpoint and Defender for Office 365 • Expert-level proficiency in Microsoft Purview compliance solutions • Expert-level proficiency in Exchange Online mail flow, security, and administration • Expert-level proficiency in role-based access control (RBAC) and least-privilege access management • Strong working knowledge of Zero Trust Architecture and OMB M-22-09 implementation • Strong working knowledge of NIST SP 800-53 security controls as applied to Microsoft platforms • Strong working knowledge of FedRAMP requirements for Microsoft GCC High or Azure Government • Strong working knowledge of PowerShell scripting for Microsoft 365 and Azure administration • Strong working knowledge of ITSM platforms (e.g., ServiceNow) • Strong working knowledge of ITIL 4 change and incident management practices • Strong working knowledge of enterprise network fundamentals relevant to Microsoft infrastructure • Current and unexpired Microsoft Certified: Microsoft 365 Administrator Expert (MS-102) certification required • Current and unexpired Microsoft Certified: Azure Administrator Associate (AZ-104) certification required • Current and unexpired Microsoft Certified: Identity and Access Administrator Associate (SC-300) certification required • Must be able to obtain a Public Trust

🏖️ Benefits

• health, dental and vision insurance • 401K with company matching • flexible spending accounts • paid holidays • three weeks paid time off • competitive compensation • extraordinary benefits package