Operating Systems Test Engineer
About The Position
Leidos is seeking an experienced Operating Systems Test Engineer to support the ABMS DI Network Manager (DINM) program in Orlando, Florida. The role supports the Department of the Air Force’s Air Battle Management System and its associated digital infrastructure. It is an on-site position requiring daily presence at the Orlando office. The engineer will maintain and support the Digital Infrastructure Network Integration Lab (DI-NIL), including its architecture, services, operating systems, and appliances. The role conducts verification and validation testing for systems intended for the production network, ensures operating systems meet Department of Defense compliance requirements, and supports system configuration, deployment, documentation, and customer access-control needs.
Requirements
- Bachelor’s degree and 8 or more years of related experience; additional experience may be considered in lieu of a degree.
- U.S. citizenship.
- Currently possess an active DoD Secret clearance and be able to upgrade to TS/SCI clearance upon hire.
- Possess DoD 8140 IAT Level II certification (Security+).
- Demonstrable knowledge of operating systems concepts and their application to DoD programs.
- Experience with Active Directory deployment and configuration, OU creation, and RBAC-driven security controls.
- Expertise with Linux/Unix systems, including RHEL.
- Experience participating in design reviews and providing customer-centric input.
- Excellent written and verbal communication skills for collaboration with technical and non-technical stakeholders.
- Ability to participate in cross-functional planning and system integration activities and work effectively with individuals of varying technical backgrounds.
- Foundational knowledge of networking systems and interconnections.
- Experience with government system security testing using ACAS/Nessus and remediation.
- Ability to brief technical and non-technical customers.
- Understanding of networking principles and basic network troubleshooting from the systems perspective.
Nice To Haves
- Master’s degree and 6 or more years of relevant experience.
- Active TS/SCI clearance.
- Experience with ABMS or JADC2 initiatives.
- Mid-level networking knowledge.
- At least 4 years of DoD system security testing using ACAS/Nessus and remediation.
- Experience designing and deploying networks.
- Experience with SAFe Agile frameworks and agile tools such as Jira and Confluence.
- Prior support of Department of the Air Force programs.
- Experience working with complex multi-domain systems.
- Experience designing and validating cloud, edge-computing, and network architectures.
- Knowledge of test automation and test result analysis.
- Experience developing test methodologies and specifications, and executing integration, verification, and validation activities.
- Strong focus on customer satisfaction and maintaining Leidos’ positive brand reputation.
Responsibilities
- Maintain and support the DI-NIL architecture and services, including RHEL, Windows, and various systems and appliances.
- Manage configurations, compliance enforcement, directory service integrations, and daily operational oversight.
- Conduct verification and validation testing for systems designed for the production network, from initial build through configuration and service delivery.
- Ensure operating systems meet DoD compliance requirements and perform optimally, including testing and deployment of patches and version upgrades.
- Develop documentation of system builds, configurations, and process workflows to support consistency, repeatability, and auditability.
- Work with customers to configure operating systems, establish access controls, and support a least-privilege environment.
- Assist DI-NIL team personnel with system verification and validation across the Digital Infrastructure Network.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
