
Senior Systems Administrator
Hexagon US Federal
full-time
Posted on:
Location Type: Hybrid
Location: Lanham • Maryland • United States
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Job Level
About the role
- Serve as the primary IT owner for the Lanham office, ensuring reliability, performance, and user support
- Maintain and support hybrid infrastructure, including VMware ESXi environments, virtual machines, and cloud services
- Administer and optimize Microsoft 365 GCC High (Entra ID, Exchange Online, SharePoint, Teams)
- Support and contribute to data center operations, including system health, maintenance, and incident response
- Act as a key escalation point for complex technical issues across the enterprise
- Partner with a distributed team of system administrators to support enterprise-wide help desk operations
- Drive improvements in system performance, standardization, and operational efficiency
- Support implementation and enforcement of security and compliance controls (CMMC, NIST 800-171, etc.)
- Respond to and lead troubleshooting during outages or critical incidents
Requirements
- 8+ years of experience in systems administration, infrastructure support, or a similar role
- Proven experience managing hybrid IT environments (on-premises and cloud)
- Strong hands-on experience with Microsoft 365, preferably within GCC High or other regulated environments
- Deep experience with VMware ESXi and virtual infrastructure management
- Strong knowledge of Windows Server, Active Directory, Group Policy, and endpoint management
- Experience supporting data center infrastructure and operations
- Demonstrated ability to troubleshoot and resolve complex, cross-domain technical issues
- Strong communication and customer service skills, with the ability to support both technical and non-technical users
- Ability to work independently, prioritize effectively, and take ownership of systems and issues
Benefits
- Competitive health care plans with savings accounts
- Dental and vision plans
- 401k with 100% company match up to 6%, with immediate vesting on company match
- Life and disability insurance
- Learning Management System with robust offerings
- Tuition Reimbursement Program
- Flexible working arrangements where possible
- 13 paid holidays per year
- Veterans’ focused Employee Resources Group with regular educational sessions and communications
- Leadership Development Program with multiple learning options
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
systems administrationinfrastructure supporthybrid IT environmentsMicrosoft 365VMware ESXiWindows ServerActive DirectoryGroup Policyendpoint managementdata center operations
Soft Skills
communication skillscustomer service skillstroubleshootingproblem-solvingindependenceprioritizationownership
Certifications
CMMCNIST 800-171