Senior Linux Admin — ICAM & Secure Infra Specialist

AVATAR Computing, Inc.; Worcester (MA); On-site; USD 80,000 - 100,000; Full time

Job summary

A technology services provider is seeking a Linux Administrator in Worcester, MA. In this role, you will manage Linux servers and support the Identity, Credential, and Access Management functions. Responsibilities include system monitoring, security hardening, and automating tasks with scripts. Applicants must be US citizens with an Active Secret Clearance and relevant certifications. This position supports the Army's modernization programs and focuses on maintaining secure, compliant infrastructure.

Qualifications

• US Citizen (No Dual Citizens).
• Active Secret Clearance Required.
• Strong knowledge of Linux administration including services, networking, storage, and SELinux.
• Experience with identity or security services such as LDAP, SSO, and federation.
• Familiar with logging and monitoring tools.

Responsibilities

• Manage, configure, and maintain Linux servers (RHEL/Oracle Linux/Ubuntu).
• Perform patching, vulnerability remediation, system hardening, and lifecycle management.
• Support ICAM tools and services, ensuring secure configuration and uptime.
• Develop scripts to automate administrative tasks and deployments.
• Participate in on-call rotations for high-severity incidents.

Skills

Linux administration

Scripting (Bash, Python, Ansible)

Identity and Access Management

Security hardening

Monitoring tools (Splunk, ELK)

Education

Security+ or equivalent certification

Job description

A technology services provider is seeking a Linux Administrator in Worcester, MA. In this role, you will manage Linux servers and support the Identity, Credential, and Access Management functions. Responsibilities include system monitoring, security hardening, and automating tasks with scripts. Applicants must be US citizens with an Active Secret Clearance and relevant certifications. This position supports the Army's modernization programs and focuses on maintaining secure, compliant infrastructure.