System Engineer, Level 3 Security Clearance

System Engineer, Level 3 – Annapolis Junction, MD – Full Time – Experienced

• Support systems engineering and system administration activities across secure Linux enterprise environments.
• Maintain system integrity, availability, performance, and security across mission‑critical Linux systems.
• Support and maintain containerized and cloud‑hosted environments, including Kubernetes‑based deployments and AWS infrastructure.
• Administer and support virtualization platforms and enterprise storage management solutions.
• Configure and troubleshoot IP networking, routing, switching, and firewall technologies within Linux‑centric environments.
• Support application deployments and provide advanced troubleshooting across OS, network, storage, and security layers.
• Implement and maintain system hardening, PKI/TLS configurations, cryptographic policies, and secure configuration baselines.
• Ensure systems comply with SSP documentation requirements and STE/STN security standards.
• Support system patching, vulnerability remediation, and secure operational sustainment activities.
• Troubleshoot complex system, network, application, and dataflow issues while escalating operational risks and outages as required.
• Support mission dataflow systems, including monitoring, troubleshooting, and optimizing data pipelines.
• Assist in the operation and support of RF systems, signal transport components, and mission transport environments.
• Support logging, monitoring, and analytics platforms such as ELK / Elasticsearch for system observability and troubleshooting.
• Develop and maintain operational procedures, system documentation, and technical implementation guidance.
• Collaborate closely with engineering, operations, and security teams to support mission objectives.

• Strong Linux systems engineering and administration experience.
• Experience supporting containerized and cloud‑hosted environments.
• Experience supporting virtualization platforms and enterprise storage management solutions.
• Strong understanding of IP networking, routing, switching, and firewall technologies.
• Strong understanding of PKI, TLS, cryptographic principles, and Linux crypto policies.
• Experience supporting SSP compliance documentation and STE/STN security requirements on Linux systems.
• Strong troubleshooting skills across infrastructure layers including operating systems, networking, storage, and applications.
• Experience supporting enterprise applications within secure Linux environments.
• Familiarity with Kubernetes, AWS, and modern infrastructure technologies.
• Experience with automation and configuration management tools such as Ansible or similar platforms.
• Strong analytical, troubleshooting, and problem‑solving skills.
• Strong written and verbal communication skills.
• Ability to work independently and collaboratively within operational engineering teams.

• One of the following combinations is required:
  Bachelor’s degree in a qualified engineering field or related discipline + six years of systems engineering experience; OR High School Diploma or GED + ten years of general systems engineering experience; OR Master’s degree + four years of systems engineering experience; OR PhD + two years of systems engineering experience.
• Qualified engineering fields include, but are not limited to:
  Aeronautics, Biomedical, Chemical, Civil, Computer, Electrical, Environmental, Mechanical, Nuclear, Software, Systems, and Engineering Management.
• Comparable or closely related engineering degrees will be considered.
• Related disciplines include, but are not limited to:
  Chemistry, Computer Science, Information Systems, Mathematics, and Physics.
• Comparable or closely related degrees will be considered.

• Experience supporting real‑time or near‑real‑time data processing environments.
• Experience supporting RF systems, antenna hardware, or signal transport systems.
• Experience with dataflow processing platforms or mission transport systems.
• Experience supporting ELK / Elasticsearch monitoring and analytics environments.
• Experience supporting secure DoD or Intelligence Community operational systems.

• Must possess an active TS SCI with appropriate Polygraph to be considered for this role.

Independent Software is an Equal Opportunity Employer EOE, M/F/D/V.