Systems Administrator - Senior
Nationwide IT Services · Remote
About this role
**Systems Administrator - Senior (Remote | Full-Time)** **Nationwide IT Services (NIS)** is seeking a **Senior Systems Administrator** to support a **federal IT application modernization and sustainment program** for the **Defense Logistics Agency (DLA)**. This role is **off-site (remote)** and is **contingent upon contract award and funding**. --- ### **Key Responsibilities** - Administer, maintain, and optimize **Windows Server** and **Red Hat Enterprise Linux (RHEL)** systems within **Microsoft Azure** environments. - Monitor enterprise application infrastructure (VMs, databases, web/app/file servers) to ensure **availability and performance**. - Perform software installation, configuration, maintenance, **patch management**, upgrades, and troubleshooting. - Monitor system health and performance metrics; identify bottlenecks and implement corrective actions. - Conduct **vulnerability remediation**, apply security patches, and maintain compliance with **DoD cybersecurity policies** and applicable **STIGs**. - Support **Azure administration** (VM management, resource optimization, monitoring, and infrastructure configuration). - Coordinate with government teams to resolve infrastructure, networking, system configuration, and application performance issues. - Support architecture assessments, infrastructure right-sizing, and resource allocation to improve efficiency and manage costs. - Monitor hardware/software lifecycle, identify end-of-life risks, and support migration to modernized environments. - Maintain **SSL/TLS** and government-issued security certificates. - Support backup verification, disaster recovery planning, restoration, and continuity of operations. - Assist with migration of development/testing environments to **government-approved Azure**. - Use monitoring/troubleshooting tools to analyze logs and support incident resolution. - Perform vulnerability assessments and security scan/remediation activities using government-approved tools. - Maintain accurate technical documentation, configurations, procedures, and infrastructure records. - Coordinate configuration management, change requests, and production deployments per government procedures. - Provide advanced technical support for escalated incidents, outages, and infrastructure issues. --- ### **Required Qualifications** - **10+ years** specialized application systems administration experience, including **4+ years hands-on** software installation, configuration, maintenance, and troubleshooting. - **CompTIA Security+** - **Microsoft Azure Administrator Associate (AZ-104)** - **DoD 8140 baseline certification** - Experience administering enterprise application infrastructure in complex IT environments. - Experience with **Windows/Linux**, **Azure**, networking, system configuration, and security controls. - Experience with vulnerability remediation, troubleshooting, patching, and performance optimization. --- ### **Minimum Education** - **Bachelor’s degree (BA/BS)** in a technical discipline. --- ### **Security Requirements** - **Active Secret security clearance** - **IT-I Critical Sensitive / Tier 5 investigation** > Both requirements must be satisfied **at the time of proposal submission**. --- ### **Benefits (Highlights)** Medical, dental, vision, life & disability insurance, **401(k) with employer match**, paid holidays, **PTO**, commuter benefits, EAP, educational reimbursement, and pet insurance. **Salary Range:** *To be determined* (guideline only;
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