Senior Linux Systems Administrator - Zenetex LLC

ZENETEX specializes in management and technology support services for a variety of federal agencies and commercial organizations nationwide. We have an immediate opportunity for a Senior Linux Systems Administrator to support our government customer located at Naval Air Station (NAS) Patuxent River located in Patuxent River, MD. In this position, you will be responsible for providing cybersecurity analysis, information technology support, and applying DoD security controls to operating systems and applications. This is an excellent opportunity to join a team which supports a vital DoD network environment, and an important DoD mission.

Design, implement, manage, and maintain a High Performance Computing (HPC) cluster network infrastructure to meet Risk Management Framework (RMF) and Joint SAP Implementation Guide (JSIG) requirements in support of digital engineering efforts.

• Maintain multiple Linux servers based information systems.
• Provide and perform a wide range of systems administration and life cycle management tasks to support and sustain IT networks as directed by the Government IT Lead.
• Recommend and schedule Information Assurance (IA) related repairs in the network environment.
• Configure and manage Cisco based network devices.
• Perform IA related customer support functions including installation, configuration, troubleshooting, and/or training in response to customer requirements for the network environment.
• Analyze system performance for potential security problems.
• Run vulnerability and compliance assessments via ACAS and STIG’s.
• Perform patching (flaw remediation) activities.
• Provide Assured File Transfer (AFT) capabilities across multiple classified networks following documented policies and procedures.
• Implement and maintain a Backup and Recovery solution for all information systems.
• Diagnose and resolve IA problems in response to customer reported incidents.
• Coordinate with other teams to assist in the installation of infrastructure hardware and software.
• Create, update and maintain diagrams, inventory, build guides and maintenance log documentation.
• Develop plans and dates associated with tasks and provide status updates as required by the Government Program Manager.
• Communicate daily issues to include, but not limited to, network outages, system failures, or noncompliance in accordance with applicable government regulations to cybersecurity staff and stakeholders.
• Adhere to IS security laws and regulations to support functional operations for the network environment.
• Support COMSEC network devices.

Required Qualifications:

• An active DoD Top Secret clearance. 
• Demonstrated expertise in IAT Level II network enterprise (NE) knowledge and skills.
• Experience supporting a Thin Client architecture.
• Possess senior level server based administration background.
• Possess knowledge and experience in Linux Server environments. 
• Full comprehension Linux based HPC deployment and management.
• Demonstrated work experience with configuring and managing network switches.
• Minimum of 6 years as a systems administrator.
• Possess DoD Approved Baseline Certification as Information Assurance Technical Level II in accordance with DoD 8570.01-M/8140 (i.e. Security+ CE & Vendor certification or IT Training Provider certificate for network environment main operating system. 
• Demonstrated understanding and working knowledge of Risk Management Framework (RMF)/Joint SAP Implementation Guideline (JSIG).
• Working knowledge of Windows server based OS’s is desired

•  This position requires U.S. citizenship and an active DoD Top Secret security clearance.

ZENETEX is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.