Über
Lanham, MD
We are seeking a highly capable Systems Administrator to serve as the primary IT lead for our Lanham, MD office while operating as part of a distributed enterprise IT operations team. This role requires a strong technical foundation across hybrid infrastructure, a high degree of ownership, and the ability to operate independently in a fast-paced, compliance-driven environment.
This role requires a minimum of two days onsite per week, with additional onsite presence as needed to support business operations, projects, or critical incidents.
A day in the life of a Systems Administrator
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
Key Responsibilities:
Provide hands-on support for onsite needs including workstation deployment, hardware replacement, and troubleshooting
Manage and monitor virtual environments across on-prem and cloud platforms
Participate in ticket triage, escalation, and resolution across a multi-site environment
Maintain system documentation, procedures, and operational runbooks
Collaborate with vendors and managed service providers when required
Support infrastructure-related projects and site-specific initiatives
This role is for you if you:
A self-starter who takes ownership and follows through without constant direction
Comfortable being the go-to IT presence in an office environment
Able to balance hands-on support with infrastructure-level responsibilities
Calm under pressure and capable of navigating high-impact incidents
Collaborative, but equally effective working independently
What we are expecting from you (i.e. the qualifications you must have):
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
Required Level of Security Clearance:
None
Expected Travel:
5-10%
Work Environment:
Hybrid role based in Lanham, MD (minimum two days onsite per week)
Occasional travel to Chantilly, VA and Huntsville, AL may be required
Expected to support critical incidents outside of standard business hours when necessary
Physical and Mental Demands:
The physical and mental demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform these functions.
Ability to remain in a stationary position and operate a computer for extended periods.
Occasional ability to move or transport items up to 25 pounds.
Communicate effectively in English (verbal, written) and possess visual and auditory acuity for tasks and safety.
Manage multiple tasks, prioritize, and maintain focus in dynamic environments.
Demonstrate strong problem-solving, critical thinking, and analytical skills.
Maintain consistent attendance, punctuality, and high professional standards.
Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status").
Sprachkenntnisse
- English
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