NAVY EXCHANGE SERVICE COMMAND (NEXCOM) · 3 months ago
UNIX SYSTEMS ADMINISTRATOR
Navy Exchange Service Command (NEXCOM) is seeking a UNIX Systems Administrator responsible for the installation, configuration, and support of Unix servers in a large retail enterprise environment. The role requires ensuring 24x7 uptime, troubleshooting server issues, and developing operating procedures for system administration activities.
Information Technology
Responsibilities
Installs and configures Unix server hardware and software, to include logical and virtual servers, IBM/HP Virtualization, Virtual I/O servers, Shared Ethernet Adapters, Virtual SCSI Adapters, AIX, HP-UX, Linux, and HBSS
Assumes a primary role in the testing of new equipment. Has knowledge of AIX pSeries hardware as well as hardware capable of hosting Linux
Troubleshoots Unix server and OS issues. Independently utilizes all available resources (knowledge bases, online resources, etc.) to ensure timely resolution of server issues
Develops operating procedures for system administration activities including system monitoring, performance tuning, backup/recovery, server architecture design and system maintenance
Follows operating procedures and utilizes established support tools for analysis and reporting requirements
Executes a planned program of patch and virus update management, including testing, deployment staging, and documentation. Install, maintain and manage AIX NIM, HP Ignite and HBSS for automated updates. On Linux servers, packages updates, as necessary, creates RPM’s, and utilizes YUM to install and update packages
Performs regular system maintenance, hardware and software upgrades, server migrations and performance tuning
On Linux servers uses security tools such as SELinux and FAPolicyd to monitor and apply security settings in accordance with DoD, NEXCOM, and industry best practices
Uses system tools and utilities including HMC, DLPAR, LVM, NIM, etc. in performing duties and responsibilities
Writes and modifies shell scripts to monitor and automate system administration tasks
Actively participates in project planning and assumes a leadership role as needed to ensure timely and successful completion of projects assigned to Unix server team
Provides technical knowledge and makes recommendations to staff members as required
Provides server hardware capacity recommendations
Interfaces with Network Engineers, Storage Engineers, Database Administrators and Application Teams to optimize systems use and configuration
Provides installation support for new applications and software releases
Interfaces with hardware vendors to maintain and schedule repair of equipment in a timely manner
Implements installation, configuration, testing and support of HACMP and other High Availability technologies as required
Provide on-call 24 x 7 support on a rotating basis
Ensure/implement the rigorous application of Information Security/Information Assurance policies, principles, and practices in the delivery of Systems, Applications and/or Services (Hardware & Software)
Installs and executes the Secure Readiness Review program and implements system security controls as required. Reviews DISA's Unix Security Technical Implementation Guide (STIG) and Checklists for guidance. Implements Payment Card Industry standards and requirements as mandated on Unix Systems
Performs other related duties as assigned
Qualification
Required
U.S. Citizenship
3 years experience in technical administrative work involving management information systems
One year of related academic study above the high school level may be substituted for 9 months of experience up to a maximum of a 4 year bachelor's degree in computer science or information systems discipline for 3 years of general experience
Minimum 3 years of progressive experience in Unix Systems Administration (configuration, monitoring, tuning, backup/recovery, etc.)
Minimum 3 years of progressive experience in O/S upgrade and patching
Minimum 3 years of progressive experience in Logical volume management
Minimum 3 years of progressive experience in Troubleshooting and support
Minimum 3 years of progressive experience in Unix shell scripting
Minimum 3 years of progressive experience in O/S level security
Experience with AIX, HP-UX and/or Linux
IA Certification: One of the following certifications: Security+, GIAC Security Essentials Certification (GSEC), Security Certified Network Professional (SCNP), Systems Security Certified Practitioner (SSCP); or any one of the following higher level certifications: Certified Information Systems Auditor (CISA), Certified Information Systems Security Professional (CISSP), GIAC Security Expert (GSE), Security Certified Network Architect (SCNA)
Certification must be valid (not expired) as defined by the policy of the certification issuer
This position is designated IT-2 (Non-critical Sensitive) in accordance with SECNAV M-5510.30 and will require a favorable Access National Agency Check and Inquiries (ANACI)
Preferred
NEXCOM preferred certification is Security+
Technical Certification: IBM Certified Specialist
Experience with high availability / clustering highly preferred
Company
NAVY EXCHANGE SERVICE COMMAND (NEXCOM)
The Navy Exchange Service Command (NEXCOM) Enterprise encompasses six business lines, boasting a workforce of more than 14,000 associates located around the globe.
Funding
Current Stage
Late StageRecent News
2025-11-04
2025-08-05
2025-05-01
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