Synkriom
SynkriomVerified Source

Unix/Linux Administrator, Security Remediation

Onsite · Boston, Massachusetts
Posted August 12, 2026
contract

Overview

You will own security remediation for Unix/Linux systems under Project Aegis, hardening RHEL and Solaris environments to eliminate vulnerabilities. You work with a security team and application groups to close compliance gaps and reduce risk. This contract role in Boston offers direct impact on critical infrastructure.

What You'll Do7

  • 1Remediate security vulnerabilities identified under Project Aegis, applying patches and configuration changes across Unix/Linux servers.
  • 2Perform operating system upgrades and hardening of RHEL, Solaris, and AIX environments to meet security benchmarks.
  • 3Analyze compliance findings and resolve issues related to CIS controls and STIG standards.
  • 4Develop and maintain bash and Perl scripts to automate remediation and system checks.
  • 5Support application teams during patching cycles, testing, and production rollouts.
  • 6Decommission legacy infrastructure, ensuring data migration and service retirement follow security protocols.
  • 7Document remediation procedures and update runbooks for recurring tasks.

Requirements7

  • 15+ years administering Unix/Linux systems in enterprise environments.
  • 2Hands-on expertise with RHEL and Solaris patching and hardening.
  • 3Experience with CIS benchmarks and STIG implementation.
  • 4Strong scripting skills in bash or Perl.
  • 5Understanding of TCP/IP, DNS, and LDAP.
  • 6Familiarity with Ansible or Puppet for configuration management.
  • 7Prior work on security remediation or compliance projects.

Salary Insight

Salary not disclosed in listing

Location

Typeonsite
LocationBoston, Massachusetts

Required Skills

Unix LinuxSecurity vulnerability remediationOperating system upgradesPatchingHardeningCompliance analysisShell scriptingAutomationApplication supportLegacy infrastructure decommissioning
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