Onsite Senior Systems Administrator – Windows/Linux & VMware

AT&T; Columbia (MD); On-site; USD 89,000 - 192,000; Full time

Benefits offered by this job

Medical coverage

401(k) plan

Tuition reimbursement

Paid Time Off

Parental Leave

Caregiver Leave

Disability Benefits

Life Insurance

Employee discounts

Job summary

AT&T Global Public Sector is seeking a Senior System Administrator to maintain, document, and administer enterprise IT systems from the Suitland, MD location on a full-time, onsite basis. The role includes system and network administration across Windows/Linux, VMware, and security devices.

You will provide helpdesk support and coordinate cross-functional IT activities to ensure reliable operations. Active TS/SCI with Poly is required.

Qualifications

• Bachelor’s degree in related field.
• Eight years of relevant experience.
• Demonstrate understanding of Red Hat Linux, Trusted Linux, Windows 10, VMware.

Responsibilities

• Maintain and develop system documentation to include product guides/manuals, SOPs, work logs and the Helpdesk ticket system.
• Provide system administration support.
• Provide maintenance and support of existing software (problem report/trouble tick resolution) and hardware.
• Provide helpdesk support for collecting, controlling and disseminating, documenting and resolving all IT related questions and problems.
• Provide cross-functional systems and network administration support across Windows and Linux server environments, VMware infrastructure, and enterprise network devices, including switches, routers, firewalls, and related connectivity.
• Troubleshoot and resolve end-to-end infrastructure issues that may span servers, operating systems, virtualization platforms, network connectivity, and security configurations, coordinating across technical functional areas as needed.
• Perform hands-on operations and maintenance, including system and network monitoring, configuration changes, patching, upgrades, testing, incident resolution, documentation, and sustainment of integrated IT environments.

Skills

Red Hat Linux

Trusted Linux

Windows 10

VMware

Education

Bachelor’s degree in related field

Job description

AT&T Global Public Sector is seeking a Senior System Administrator to maintain, document, and administer enterprise IT systems from the Suitland, MD location on a full-time, onsite basis. The role includes system and network administration across Windows/Linux, VMware, and security devices.

You will provide helpdesk support and coordinate cross-functional IT activities to ensure reliable operations. Active TS/SCI with Poly is required.