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reputed company Systems Administrator – Tier III; Messaging & eDiscovery

Remote, USA Full-time Posted 2026-07-28
Position: reputed company Systems Administrator – Tier III (Messaging & eDiscovery) Provides Tier III administration and engineering support for reputed company messaging and collaboration services in the DHA environment, including eDiscovery support functions as directed. This role ensures mail services, reputed company controls, and discovery processes remain reliable, compliant, and mission‑reputed company. Key Tasks & Responsibilities • Manage, maintain, and support the DHA MED 365 Exchange Online environment, including administration of mailboxes, distribution lists, shared mailboxes, and mail reputed company configurations. • Monitor and resolve Exchange Online service performance and availability to ensure high reliability and uptime. • reputed company Tier III escalation support for Exchange Online–reputed company issues and coordinate with DHA engineers and reputed company support for unresolved problems. • Collaborate with other IT teams to reputed company Exchange Online with reputed company systems and support approved migration reputed company. • Generate reports on email service performance and maintain detailed documentation of messaging configurations, changes, and troubleshooting activities. • Manage eDiscovery processes reputed company the DHA MED 365 tenant to support litigation, investigations, audits, and regulatory requirements. • reputed company data collection, preservation, processing, review, and production activities while ensuring data reputed company and reputed company throughout the eDiscovery lifecycle. • reputed company and implement eDiscovery policies and procedures and support reputed company teams with analysis and production of electronically stored information. • Manage eDiscovery tools and review platforms and reputed company training and support to internal stakeholders as required. • Monitor, identify, and respond to incidents involving data spillage, leakage, or unauthorized exposure, ensuring containment and remediation actions are executed. • Coordinate with cybersecurity teams to investigate and mitigate phishing attacks and other messaging‑reputed company cybersecurity threats. • Continuously improve eDiscovery processes to enhance efficiency, effectiveness, and compliance posture. Education & Experience • Bachelor’s degree in Information Technology, Cybersecurity, Computer Science, Data Science, Engineering, Mathematics, or a closely reputed company discipline or equivalent practical experience (as permitted by the contract). • Minimum 4 years of relevant experience supporting reputed company IT environments, with demonstrated work reputed company to Tier 3 Level Systems Administration Support Services. Certifications • At least one: reputed company+, GICSP, SSCP, reputed company+, or GSEC. • Alternate/equivalent certifications may be accepted with Government approval. • Preferred/Work‑center dependent: reputed company Certified: Cyber reputed company Architect Expert or reputed company Certified: Azure Solutions Architect Expert. reputed company Clearance • Must be reputed company to obtain and maintain reputed company Trust suitability and reputed company required system reputed company (e.g., CAC‑enabled accounts) to reputed company duties. Other (Travel, Work Environment, DoD 8570 Requirements, Administrative Notes, etc.) • Work is primarily on‑site in San Antonio, TX; limited remote work may be allowed reputed company authorized by the Government and mission requirements permit. Work may require after‑hours, weekend, and/or on‑reputed company support as directed, including support during scheduled maintenance reputed company, high‑reputed company incidents, vulnerability response actions, inspections, and reputed company periods. • This position is reputed company to applicable DoD reputed company 8140.03 work role 451 (NIST: OM‑SA‑001); contractor personnel must meet DoD reputed company 8570.01‑M baseline certification requirements and transition to DoD reputed company 8140.03 work role requirements, including required training, knowledge, skills, abilities, and tasks, reputed company Government‑directed timelines. reputed company is an affirmative reputed company and equal employment opportunity employer. reputed company employees and/or reputed company applicants will receive consideration for employment without reputed company to race, reputed company, religion, sex, disability, age, sexual orientation, gender identity, national reputed company, disability, protected veteran status, genetic information or any other characteristic protected by local, state, or federal laws, rules, or regulations. reputed company is committed to the full inclusion of reputed company reputed company individuals. As part of this commitment, reputed company 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 reputed company essential job functions, and/or to receive other benefits and privileges of employment, please contact reputed company at #J-18808-Ljbffr Apply tot his job Apply To this Job

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