Linux Systems Engineer (Top Secret/SCI with agreement to obtain CI Poly Clearance Required)

North Point Technology is looking to hire a Senior Linux Systems Engineer to support a mission-critical enterprise Identity and Access Management (ICAM) system operating in a classified environment. The ideal candidate will bring a strong Linux background combined with cloud infrastructure experience to deliver lifecycle systems engineering support across development and operational environments. An active Top Secret clearance with SCI eligibility is required, and candidates must be willing to obtain a polygraph within the customer's required timeline.

Responsibilities:

In this role, you will provide Tier II support for customer-facing operational issues, performing root cause analysis and mitigation while communicating findings and maintaining a feedback loop with the development team. You will serve as a subject matter expert reviewing user metrics, system health, and overall performance, implementing proactive measures to sustain operational availability. You will develop scripts and leverage playbook-based automation to accomplish operational tasks, manage COTS and GOTS software products across multiple environments, and coordinate with Enterprise Services to ensure compliance with security policies. You will also interface with customers and external technical teams to diagnose and resolve access issues, and apply systems-level analysis to identify workflow bottlenecks.

Required Skills/Experience:

• Linux systems administration and infrastructure management best practices
• Amazon Web Services (S3, EC2, Reserved Instances)
• Network troubleshooting across OSI model layers 4–7
• Systems engineering documentation (network diagrams, data flow diagrams)
• Agile collaboration tools including Jira, Confluence, and BitBucket
• COTS and GOTS software product management across multiple environments

Preferred Skills/Experience:

• Identity Federation, Single Sign-On, and authorization technologies (SAML, OIDC, OAuth, Kerberos, CAC/smart cards)
• Oracle COTS products (Oracle Access Manager, Oracle Unified Directory, Oracle WebLogic)
• Kubernetes
• Scripting languages including Bash and Python
• LDAP directory services
• ELK stack (Elasticsearch, Logstash, Kibana)
• Cloud-based architectures beyond AWS
• Cross-domain architectures
• Automated testing and monitoring
• Engineering Review Boards and Change Management processes

Qualifications:

• Bachelor's degree in Computer Science or a related discipline
• CompTIA Security+ (current, required before start date)
• Active Top Secret security clearance with SCI eligibility
• Must be willing and able to obtain a polygraph within the customer's required timeline