Senior UNIX System Engineer

Integral•Radford, VA

About The Position

The Senior UNIX System Engineer is responsible for the performance and oversight of a mixed and growing Red Hat Enterprise Linux, Oracle Enterprise Linux, and Solaris UNIX environment supporting the U.S. Army Product Lead Acquisition, Logistics, and Technology Enterprise Systems and Services (PL ALTESS). The role works with the existing UNIX team to manage, maintain, deploy, troubleshoot, and support servers in a mixed customer environment. The engineer plans and implements new hardware and software, maintains technical instructions and operating procedures, monitors and tunes system performance, hardens servers, and reports security and operational status. The role also recommends enterprise improvements, manages hardware and software integrations, produces utilization reports, supports vendor equipment through its lifecycle—including firmware version control and preventive maintenance—and recommends and implements technologies to expand, upgrade, and improve the efficiency of the environment.

Requirements

CompTIA Security+ certification.
Experience in computer science or IT.
Computing Environment (CE) certification, such as Red Hat; this may be waived for 30 days after the project join date.
Five or more years of experience as a Unix Systems Administrator or IT Engineer, including experience automating assigned tasks.
Three or more years of experience in patch management, including understanding how to apply security updates using YUM and RPM.
Three or more years of experience in complex network environments, including VLANs, troubleshooting tools such as ifconfig, netstat, ssh, and telnet, and system hardening using firewalld/iptables and hosts.
Three or more years of experience managing a large pool of local users through the command line.
Three or more years of experience creating, maintaining, and following Standard Operating Procedures for repeatable processes, disaster recovery, and common problem resolution.
Three or more years of experience configuring and maintaining services such as DNS, SFTP, SMTP, and NTP.
Strong interpersonal, communication, and teamwork skills, with willingness to be a team player.
Active DoD Secret security clearance.

Nice To Haves

Bachelor's degree in computer science or equivalent years of experience.
Three or more years of experience with SELinux, including basic and advanced management and configuration.
Experience supporting cybersecurity patch management and Security Technical Implementation Guides (STIG), Security Requirement Guides (SRG), RMF, Security Control Assessor-Validator (SCA-V), and Cyber Operational Readiness Assessments (CORA).
Experience deploying large-scale hardware and software enhancements or upgrades for an organization with widely distributed geographic sites.
Experience with current and emerging network and infrastructure management technologies and business practices.

Responsibilities

Work with the existing UNIX team to manage, maintain, deploy, troubleshoot, and support servers for a mixed customer environment.
Plan, execute, and implement new system hardware and software.
Create and maintain team technical instructions, operating procedures, and policies as needed.
Monitor and tune system performance and support ongoing server operations.
Harden servers and report overall security and operational status.
Recommend enterprise improvements and manage new software and hardware integrations when required.
Provide utilization reports using existing tools to identify problems and corrective actions.
Support the lifecycle of mixed vendor equipment in the datacenter, including firmware version control and periodic preventive maintenance.
Recommend, demonstrate, and implement technologies to expand, upgrade, and increase efficiency in the current environment.