Systems Administrator​/Tester; SME Security Clearance

Position: Systems Administrator/Tester (SME) with Security Clearance
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 government, 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. We offer flexible work environment to support the balance in your life and keep you performing at your best. Be a part of a company that is part of the community; driven to improve our future and protect our freedom.

We are seeking an experienced Systems Administrator SME with strong Quality Assurance (QA) testing skills to support enterprise IT operations in a mission-critical environment. This role provides Tier I & II user and system support while ensuring the quality, stability, and security of new builds, updates, and cloud deployments. The ideal candidate has deep technical expertise, strong troubleshooting abilities, and experience working in Agile, Dev Ops, and ITIL environments.

ABC #LI-DDUNN Required Education, Experience, & Skills We are actively seeking candidates with a minimum of 16 years' experience, and a range of skill levels from basic to advanced. Bachelor's or Master's Degree are preferred in one or more of the disciplines described below where specific skills may include the following:

Key Responsibilities:

Systems Administration

• Provide Tier I & II support for enterprise systems and escalate advanced issues as needed.

• Troubleshoot server, operating system, application, and connectivity issues.

• Support daily operations, monitoring, maintenance, and upgrades for on-prem, virtual, and cloud systems.

• Document incidents, problems, and service requests using Service Now.

• Support asset management, inventory, and user onboarding activities.

• Maintain system documentation, SOPs, and operational guides.

• Deliver hardware within the WMA; limited travel required.

• Provide guidance and knowledge transfer to junior team members. Quality Assurance & Testing

• Test and validate system builds, patches, and configuration changes across Dev/Test/Prod environments.

• Conduct functional, integration, regression, and post-deployment tests.

• Develop test documentation including Test Plans, Test Cases, Defect Logs, and Test Reports.

• Identify, log, and track defects through closure.

• Create test scenarios that include both expected outcomes and failure conditions.

• Perform smoke testing and pre/post-deployment validation for production releases.

• Identify risks or gaps early in development.

• Recommend areas for automated testing improvements. Cloud & Dev Ops Support

• Validate deployments in AWS, Azure, and hybrid cloud environments.

• Verify IAM roles, access controls, and Zero Trust security configurations (ACLs, security groups, routing rules, firewall settings).

• Validate DNS paths, connectivity, and system availability after updates or builds.

• Confirm server build integrity through post-deployment checks (connectivity, logs, performance).

• Ensure systems remain available after certificate updates and patching. Preferred Education, Experience, & Skills Strong proficiency with:
* Windows Server

* Active Directory

* AWS and/or Azure

* Virtualized infrastructure

* Service Now or similar ITSM tools Ability to work effectively within Agile teams including Developers, Technical Managers, Business Analysts, and Product Owners.
* Strong analytical ability, communication skills, and problem-solving capabilities.

* Ability to work independently and collaboratively.

* Experience mentoring or providing technical knowledge transfer. Pay Information
Full-Time Salary Range: $146670 - $249330

Please note:

This range is based on our market pay structures. However, individual salaries are determined by a variety of…