Systems Administrator – Tier II (24x7 Operations)

Provides 24x7 Tier II systems administration and operational support for DDSB-managed enterprise services supporting DHA missions. This role resolves incidents, executes standard operational tasks, and escalates complex issues to Tier III engineering while maintaining service continuity.

Key Tasks & Responsibilities :
• Support the Tier 2 continuous operations mission by maintaining and troubleshooting enterprise products and services for on-premises and MED365 Cloud environments.
• Triage and resolve issues involving server patches, configurations, software faults, and scheduled maintenance, validating deployed security patches using approved Information Assurance tools.
• Manage Active Directory user and group objects, restore directory objects, and support mobile computing and end-user devices under established governance.
• Identify and troubleshoot Enterprise Management issues related to servers, patches, and data-at-rest encryption services.
• Support cloud and tenant environments by managing user access, permissions, and monitoring resource usage to ensure secure and reliable operations.
• Provide site administrator support and enterprise monitoring for Group Policy Objects, including initial troubleshooting and security group assignments.
• Perform routine systems administration tasks on enterprise servers, including account unlocks, data recovery actions, and enterprise software password management.
• Remotely access government equipment to resolve issues and escalate unresolved problems to Tier 3, providing clear de-escalation when issues are resolved.
• Monitor enterprise assets using approved monitoring tools to maintain service availability and detect performance or outage conditions.
• Produce and distribute outage-related documentation, including downtime reports, SITREPs, and after-action products, for significant service interruptions.
• Document incidents, outages, and resolutions within the ticketing system for both on-premises and MED365 Cloud environments.
• Support MED365 eDiscovery activities related to data collection, preservation, review, and disposition for investigations and compliance events.

Education & Experience :
• Bachelor’s degree in Information Technology, Cybersecurity, Computer Science, Data Science, Engineering, Mathematics, or a closely related discipline or equivalent practical experience (as permitted by the contract).
• Minimum 2 years of relevant experience supporting enterprise IT environments, with demonstrated work aligned to Tier 2 Level Systems Administration Support Services.

Certifications:
• At least one: A+, CND, or Network+.
• Alternate/equivalent certifications may be accepted with Government approval.
• Preferred/Work-center dependent: Microsoft 365 Certified: Fundamentals or Microsoft Certified: Azure Fundamentals.

Security Clearance :
• Must be able to obtain and maintain Public Trust suitability and all required system access (e.g., CAC-enabled accounts) to perform duties.

Other (Travel, Work Environment, DoD 8570 Requirements, Administrative Notes, etc.) :
• Shift work required to support 24x7 operations. Work is primarily on-site in San Antonio, TX; limited remote work may be allowed when authorized by the Government and mission requirements permit. Work may require after-hours, weekend, and/or on-call support as directed, including support during scheduled maintenance windows, high-impact incidents, vulnerability response actions, inspections, and surge periods.
• This position is aligned to applicable DoD Manual 8140.03 work role 451 (NIST: OM-SA-001); contractor personnel must meet DoD 8570.01-M baseline certification requirements and transition to DoD Manual 8140.03 work role requirements, including required training, knowledge, skills, abilities, and tasks, within Government-directed timelines.

Computer World Services is an affirmative action and equal employment opportunity employer. Current employees and/or qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, disability, protected veteran status, genetic information or any other characteristic protected by local, state, or federal laws, rules, or regulations.
Computer World Services is committed to the full inclusion of all qualified individuals. As part of this commitment, Computer World Services will ensure that individuals with disabilities (IWD) are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Human Resources at [email protected].