UNIX SYSTEMS ADMINISTRATOR

NEXCOM • Virginia Beach, VA

94d

About The Position

Responsible for installation configuration and support of Unix servers and operating systems within a large retail Enterprise environment spanning multiple geographical locations and requiring 24 x 7 uptime. Responsibilities include building Logical and Virtual partitions and VIO servers deploying and testing OS LVM HACMP security patching virus updates and performance tuning.

Requirements

• Must be U.S. Citizens.
• 3 years experience in technical administrative work, which demonstrated the ability and aptitudes required to perform technical, managerial or analytical 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.).
• Experience in O/S upgrade and patching.
• Experience in Logical volume management.
• Experience in Troubleshooting and support.
• Experience in Unix shell scripting.
• Experience in O/S level security.
• Experience with AIX, HP-UX and/or Linux.
• Experience with high availability / clustering highly preferred.

Nice To Haves

• 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).
• NEXCOM preferred certification is Security+.
• Technical Certification: IBM Certified Specialist.

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.

Benefits

• Certification must be valid (not expired) as defined by the policy of the certification issuer.
• Candidates without the required certification may be placed into this job but must obtain the required certification within 6 months of appointment; failure to obtain the proper certification requirement will result in termination of employment.
• 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).

What This Job Offers