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TekSynap · 2 months ago

Senior Systems Administrator (Unix/Linux)

Dahlgren, VA

Full-time

Onsite

Senior Level

6+ years exp

TekSynap is a fast-growing high-tech company that understands the pace of technology today. They are seeking a Senior Systems Administrator (Unix/Linux) to provide advanced system administration and engineering support for Unix/Linux environments within the Navy enterprise, ensuring maximum performance and compliance with cybersecurity requirements.

ComputerInformation ServicesInformation Technology

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Install, configure, and maintain Unix/Linux operating systems and associated hardware/software components in a secure DoD environment

Manage and monitor system performance, availability, and capacity, ensuring optimal uptime for mission-critical systems

Implement and maintain system backup and recovery procedures in compliance with RMF and DISA STIGs

Administer user accounts, access controls, and file permissions following DoD cybersecurity policies

Conduct system patching, updates, and configuration management to maintain system integrity and accreditation

Provide Tier III troubleshooting and support for complex system issues and coordinate with network and cybersecurity teams for resolution

Develop and maintain system documentation, architecture diagrams, and baseline configurations

Participate in system design reviews, accreditation activities, and contingency planning

Ensure compliance with Navy network protocols, cybersecurity standards, and vulnerability management processes

Support the integration of new hardware and software solutions, ensuring interoperability and security alignment

Qualification

Unix/Linux System AdministrationDoD IAT Level III CertificationNetwork Security ManagementSystem Performance TuningBackupRecovery ManagementTechnical DocumentationTroubleshootingRMFSTIG Compliance

Required

Bachelor's in CS, IS, Engineering or related field

Minimum of six (6) years of professional experience in Unix and/or Linux system administration of networks and software systems, including system backup and recovery, performance tuning, and hardware/software troubleshooting

Must meet DoD IAT Level III certification requirements (e.g., Security+ CE, CASP+, CISSP)

Strong experience with TCP/IP, network security tools (e.g., firewalls, vulnerability scanners), system performance tuning, and resource allocation

Deep understanding of computing and networking vulnerabilities, attack methods, and mitigation techniques