Senior System Administrator

Job Description

Job Description

WHO WE ARE:

At HumanIT, we are fueled by honesty, integrity, and hard work. Our mission is to confront our clients' most significant IT challenges head-on, providing superior solutions built on cutting-edge cybersecurity standards, advanced technology concepts, and modern business practices. By doing so, we enable our clients to focus on their core applications and services that drive their business forward. At HumanIT, we recognize and value your skills, experience, and education. Let your new adventure begin today!

WHO YOU ARE:

You are a highly motivated Senior System Administrator for a GCC High and AWS GovCloud environment, responsible for leading the design, implementation, and ongoing maintenance of a secure, compliant IT ecosystem tailored to government and defense contractor requirements. This role oversees the configuration and management of Microsoft 365 services in Government Community Cloud High (GCC High) and AWS GovCloud (US), ensuring adherence to stringent compliance standards such as CMMC Level 2, ISO 27001, ISO 20000, and ISO 9001.

The ideal candidate will manage a team of system administrators, provide responsive and high quality end user support, and maintain operational security while optimizing cloud based tools for efficiency and scalability. This includes troubleshooting user issues, guiding users through secure best practices, and ensuring a seamless technology experience across the organization. The position requires hands on expertise in Azure, Intune, Microsoft Defender, Sentinel, AWS GovCloud services, and related technologies to support approximately 250 users in a high security environment.

WHAT YOU WILL DO:

• Compliance and Policy Configuration: Establish and enforce policies for CMMC Level 2 compliance across both Microsoft and AWS environments, including configuring conditional access policies, licensing assignments, safe links, safe attachments, spam and quarantine policies, Exchange rules, and communication lockdowns.
• Device and Application Management: Manage Windows Autopilot for device provisioning, handle application installations (including 3rdparty apps) via Intune, and oversee updates and patch management to ensure system integrity.
• Group and Collaboration Management: Create and manage Microsoft 365 groups, Teams and SharePoint Online.
• Security Monitoring and Logging: Configure logging in the Microsoft Defender admin portal, monitor logs for anomalies, and maintain records for CMMC L2, ISO 27001, 20000 and ISO 9001 compliance. Set up workbooks in Microsoft Sentinel for advanced threat analytics and compliance reporting. Extend monitoring and logging practices to AWS GovCloud using native tools to support CMMC compliance.
• Website and External Management: Manage the public website, ensuring secure integration with internal systems while maintaining compliance standards.
• Help Desk and Team Leadership: Establish and oversee an IT help desk portal, manage a small team of system administrators, triage support tickets, and provide escalation support for complex issues.
• End User Support and Training: Provide responsive, high quality support to approximately 250 users, troubleshoot technical issues across Microsoft 365 and AWS GovCloud environments, deliver user guidance on secure best practices, and develop training materials to enhance user adoption and productivity.
• Ongoing Maintenance and Optimization: Continuously monitor system performance, conduct audits, and implement improvements to the IT infrastructure across both Microsoft and AWS GovCloud environments, ensuring high availability, data protection, and user productivity in a regulated environment.
• IT Asset & Inventory Management: Oversee the full lifecycle of IT hardware assets—including laptops, mobile devices, peripherals, and network equipment—by maintaining accurate inventory records, tracking device assignments, coordinating replacements, and ensuring all assets meet compliance and security requirements
WHAT WE REQUIRE: Minimum Qualifications:
• Education: Bachelor’s degree in Information Technology, Computer Science, or a related field
• Certifications: Sec+ or equivalent
• 5+ years of experience in IT management, with at least 2 years in a GCC High and/or AWS GovCloud environment
• Expertise in Microsoft 365 GCC High and AWS GovCloud (US), including Intune, Azure AD, Microsoft Defender for Endpoint/Cloud, Exchange Online, SharePoint, Teams, Sentinel, IAM, VPC, EC2, S3, CloudTrail, GuardDuty, and Config.
• Strong knowledge of compliance frameworks (CMMC L2, ISO 27001, ISO 9001) and experience with policy enforcement, auditing, and recordkeeping across Microsoft and AWS government cloud environments.
• Proficiency in scripting/automation (e.g., PowerShell, AWS CLI) for group management, policy deployment, and reporting.
• Leadership skills to manage small teams, prioritize tasks, and handle user support in a fastpaced setting.
• Excellent problemsolving abilities, high attention to detail, and the capacity to work independently while maintaining strict security protocols
• Exceptional oral and written skills
• Ability to work with multiple functions across the organization
• Ability to deliver a high quality, customer focused support experience by responding promptly to user needs, communicating clearly and professionally, and ensuring every interaction reflects a commitment to service excellence and user satisfaction
Preferred Qualifications:
• Clearance Level: Active Secret or higher
• Additional Certifications and Trainings: Microsoft Certified: Azure Administrator, AWS Certified Solutions Architect Associate, Security Compliance and Identity Fundamentals, or CMMC/ISO auditor training
• DoD Secure Space Experience: Operating within and supporting DoD secure environments (e.g., SCIFs), ensuring all activities, equipment handling, and access protocols comply with government security regulations and facility requirements.
• Familiarity with FSO requirements and performing support duties as needed
• Familiarity with physical, cyber and IT security requirements
Equal Employment Opportunity Statement

HumanIT Solutions is an equal opportunity employer. We are committed to a work environment that supports, inspires and respects all individuals and provides equal opportunities to all applicants and employees without discrimination on the basis of race, color, religion, sex, sexual orientation, gender identity, marital status, national or ethnic origin, age, disability, military service status, or any other protected characteristic as defined by law.