Senior UNIX System Engineer

Integral Federal•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 engineer works with the existing UNIX team to manage, maintain, deploy, troubleshoot, and support servers in a mixed customer environment. The role includes planning and implementing new hardware and software; creating and maintaining technical instructions, operating procedures, and policies; monitoring and tuning system performance; hardening servers; and reporting their security and operational status. The engineer recommends enterprise improvements, manages new hardware and software integrations, and provides utilization reports to identify problems and corrective actions. The position also supports the lifecycle of vendor equipment in the datacenter, 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.
  • At least five years of experience as a UNIX Systems Administrator or IT Engineer, including experience automating assigned tasks.
  • At least three years of patch management experience, including understanding how to apply security updates using YUM and RPM.
  • At least three years of experience in complex network environments, including VLANs and troubleshooting tools such as ifconfig, netstat, ssh, and telnet, as well as system hardening using firewalld/iptables and hosts.
  • At least three years of experience managing a large pool of local users through the command line.
  • At least three years of experience creating, maintaining, and following Standard Operating Procedures for repeatable processes, disaster recovery, and common problem resolution.
  • At least three 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.
  • At least three 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), Risk Management Framework (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 geographically distributed sites.
  • Experience with current and emerging network and infrastructure management technologies and business practices.

Responsibilities

  • Manage, maintain, deploy, troubleshoot, and support servers in a mixed customer environment in coordination with the UNIX team.
  • 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 hardware and software integrations.
  • Provide utilization reports using existing tools to identify problems and corrective actions.
  • Support the lifecycle of datacenter vendor equipment, including firmware version control and periodic preventive maintenance.
  • Recommend, demonstrate, and implement technologies to expand, upgrade, and improve the efficiency of the current environment.

Benefits

  • Medical, dental, and vision insurance
  • Flexible Spending Accounts
  • Short-term and long-term disability insurance
  • Life insurance
  • Paid time off and holidays
  • Earned bonuses and awards
  • Professional training reimbursement
  • Paid parking
  • Employee Assistance Program
  • Paid parental leave
  • Immediate vesting in the 401(k)
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