System Administrator (Senior)

Overview Acuity, Inc. , recipient of Washington Business Journals Best Places to work for our fifth consecutive year, is seeking a dynamic, self-motivated individual with experience, knowledge and skills as a System Administrator. This position is remote. Acuity is seeking a highly capable System Administrator to support a fast-paced DHS mission environment. This role partners with stakeholders to stabilize operations, strengthen monitoring and reporting, and guide infrastructure and platform improvements across cloud and data-center environments. Why Acuity? Acuity is a digital strategy and technology consulting firm that serves federal agencies with critical missions. Our experts support projects in the areas of IT Modernization, Data Enablement, and Hyperautomation to help protect our national interests and keep people safe. If you have technical experience and a passion for making a difference, we might be the right fit for you. Responsibilities • Own day-to-day operations: monitoring, incident/problem management, root cause, and recovery. • Administer OS, middleware, and databases: patching, upgrades, backup/restore, capacity/performance tuning. • Orchestrate deployments across environments under formal change control. • Maintain configuration baselines, runbooks, inventories, and operational documentation. • Support secure integrations and data flows (web services, SFTP); monitor batch jobs and interface health. • Partner with security on vulnerability remediation and ATO sustainment; prepare audit artifacts. • Provide clear status, metrics, and escalations to agency stakeholders. Qualifications • Education/Experience: BS in CS/IT (or equivalent) and 8+ years relevant systems administration. • Breadth (≥1 year each): network/compute/storage design & implementation; cloud prod/non-prod operations; OS & middleware patching/upgrades; configuration/change management; database administration; incident/problem management. • Technical Proficiency: • Cloud & OS: AWS GovCloud, RHEL 8, Windows Server • Middleware/DevOps: JBoss EAP 7, CloudBees CI, Maven, Ansible, Terraform, Splunk Forwarder • Data: MongoDB 7.x administration and performance tuning • Identity & Web: AD/Kerberos, IIS, Apache; secure SFTP workflows • Networking/Storage: WAN/LAN, capacity planning, data-center topologies Security & Clearance • Ability to obtain and maintain a Top Secret clearance with SCI eligibility. Apply tot his job