Senior Systems Administrator (Unix/Linux)

TekSynap•Dahlgren, VA

51d•Onsite

About The Position

The TekSynap is seeking a Senior System Administrator (Unix/Linux). The Senior Systems Administrator (Unix/Linux) serves as Key Personnel under the NSWCDD Corporate IT Services contract. This position provides advanced system administration and engineering support for Unix/Linux environments within the Navy enterprise. The Senior Systems Administrator is responsible for configuration, optimization, and sustainment of critical Navy IT infrastructure systems, ensuring maximum performance, reliability, and compliance with cybersecurity requirements. We are seeking a Senior System Administrator (Unix/Linux) to join our team at Naval Surface Warfare Center Dahlgren Division (NSWCDD). TekSynap is a fast-growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment. "Technology moving at the speed of thought" embodies these principles - the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers. We offer our full-time employees a competitive benefits package to include health, dental, vision, 401K, life insurance, short-term and long-term disability plans, vacation time and holidays. Visit us at www.TekSynap.com. Apply now to explore jobs with us! The safety and health of our employees is of the utmost importance. Employees are required to comply with any vaccination requirements mandated by contract, applicable law or regulation. By applying to a role at TekSynap you are providing consent to receive text messages regarding your interview and employment status. If at any time you would like to opt out of text messaging, respond "STOP". As part of the application process, you agree that TekSynap Corporation may retain and use your name, e-mail, and contact information for purposes related to employment consideration.

Requirements

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.
US Citizenship
Clearance requirement: Top Secret (T5 investigation)

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.