Job Description BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems. Intelligence & Security provides services and products to the Department of Defense, the intelligence community, federal law enforcement officials, and troops deployed around the world.
At BAE Systems, we promote a strong, collaborative culture and provide our employees with the tools, skills and training they need to succeed. We are all about trust, camaraderie and a shared ambition to lead the world in defense technologies and national security services. Be a part of a company that is part of the community; driven to improve our future and protect our freedom.
BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, from daily troubleshooting needs to the verification of system performance.
Responsibilities include:
Systems Administration & Operations
Administer and troubleshoot Linux and Windows servers in AWS GovCloud and manage on-prem HP thin clients, including maintaining gold images and deploying updates.
Administer VMware infrastructure (vCenter/vSphere/ESXi), including provisioning, configuration, performance monitoring, and lifecycle management of virtual machines.
Perform patching, OS updates, and configuration reviews using Ansible Automation Platform; apply DISA STIGs and other hardening standards to maintain compliance.
Monitor system performance, resource utilization, and capacity to ensure availability and support lifecycle planning.
Identity & Access Management
Manage Active Directory forests, domains, and OUs, including users, groups, and hardware objects (thin clients, servers, VMs), Group Policy Objects (GPOs), and access controls.
Perform account provisioning, deprovisioning, and periodic access reviews in accordance with ICAM standards.
Administer enterprise ICAM and PKI/PKE services, including certificate issuance, renewal, and authentication integration.
Backup, Security, and Compliance
Manage backup and recovery solutions in line with Business Continuity and Disaster Recovery (BCDR) requirements.
Support Asset Management by automating the reporting of assets, ensuring accurate system inventories for audits, compliance, and lifecycle management.
Support security audits and vulnerability assessments by providing system data, implementing remediation actions, and maintaining audit-ready configurations.
Execute system changes and upgrades in accordance with program change and configuration management processes.
Support & Collaboration
Provide Tier 2 incident response by troubleshooting escalated issues, restoring service, and escalating to Tier 3 as needed.
Directly assist end users and mission partners with escalated system issues requiring administrative intervention.
Collaborate with cloud, security, and network engineers to support enterprise services while maintaining clear system administration scope.
- Develop and maintain system documentation, including SOPs, baseline configurations, and technical knowledge articles.
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