Linux System Engineer

Leidos•Chantilly, VA

About The Position

Leidos is seeking an experienced Linux Systems Engineer to support a mission-critical enterprise identity and access management system. The engineer will develop an understanding of services offered to external organizations, provide lifecycle systems engineering support to development and operations, and apply technical and functional expertise to recommend solutions that meet customer requirements. The role includes supporting Tier II personnel, investigating and mitigating operational issues, reviewing system health and performance, and taking proactive measures to support operational availability. The engineer will also develop scripts and use playbook-based automation, manage COTS and GOTS software across several environments, work with Enterprise Services on security compliance, and coordinate with customers and external technical teams to diagnose access issues.

Requirements

Bachelor’s degree in Computer Science or a related discipline.
4–6 years of professional experience as a Systems Administrator or in a similar technical role.
Proactive self-starter with a positive, willing attitude and excellent oral and written communication skills.
At least two years of experience with Amazon Web Services, including S3 Buckets, EC2, and Reserved Instances.
Experience troubleshooting network-related issues at OSI model levels 4–7.
Familiarity with creating systems engineering documentation such as network diagrams and data flows.
Experience with Agile team collaboration tools such as Jira, Confluence, and BitBucket.
Strong Linux background and familiarity with infrastructure management best practices.
Active Top Secret clearance with SCI eligibility.
Willingness to be approved for a Top Secret/SCI CI Poly after hire.

Nice To Haves

Familiarity with identity federation, single sign-on, and authorization technologies such as smart cards/Common Access Cards (CACs), SAML, OIDC, OAuth, and Kerberos.
Experience with Oracle COTS products such as Oracle Access Manager, Oracle Unified Directory, and Oracle WebLogic.
Experience with Kubernetes.
Experience with scripting languages such as Bash and Python.
Experience with LDAP, as an alternative to Oracle Unified Directory experience.
Experience with Elasticsearch, Logstash, and Kibana (ELK tools).
Experience with AWS and other cloud-based architectures.
Familiarity with cross-domain architectures at various levels.
Experience with automated testing and monitoring.
Experience with Engineering Review Boards and Change Management.

Responsibilities

Provide support to Tier II personnel resolving customer-facing issues.
Perform root cause analysis and mitigation for operational issues.
Communicate findings to interested parties and establish a feedback loop with development.
Review user metrics, system health, and overall performance as a subject matter expert, and implement proactive measures to support operational availability.
Develop scripts for operational tasks and use playbook-based automation processes as necessary.
Manage Commercial-Off-The-Shelf (COTS) and Government-Off-The-Shelf (GOTS) software products in several environments.
Work with Enterprise Services to ensure compliance with security services and applications.
Interface with customers and external technical teams to diagnose and mitigate access issues.
Use abstract visualization skills to understand system workflows and identify bottlenecks.
Provide lifecycle systems engineering support to development and operations on the program.
Recommend solutions that satisfy customer requirements.