Senior UNIX/Linux Engineer – TS/SCI Clearance

IPSecure; Chicago (IL); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical, Dental, Vision

Education reimbursement

401(k) with match

Job summary

IPSecure is seeking a senior UNIX Engineer III to design, implement, and sustain enterprise UNIX/Linux infrastructure supporting 24x7 DoD cyber operations in San Antonio, TX. The role emphasizes secure, highly available environments and compliance with RMF, STIGs, and A&A processes.

The candidate should hold an active TS/SCI clearance, a related Bachelor's degree, and 8+ years of UNIX/Linux engineering experience, with hands-on expertise in RHEL/Oracle Linux, Ansible, Bash, Python, and VMware

Qualifications

• Active TS/SCI security clearance.
• Bachelor’s degree in CS/IT/CE/Cybersecurity or related field; additional experience may substitute for education.
• Certifications: CASP+, CCNP Security, CCSP, GCIA, GCED, GCIH, or RHCE (or equivalent).
• Minimum 8 years of enterprise UNIX/Linux engineering experience.
• Experience with DoD, Federal, or large enterprise environments.
• Experience with RHEL, Oracle Linux, Bash, Python, Ansible, LVM, NFS, LDAP, SSH, VMware integration, backup/recovery, and performance tuning.

Responsibilities

• Design, implement, configure, and maintain enterprise UNIX and Linux server environments.
• Engineer highly available Linux platforms for mission-critical applications.
• Deploy operating system upgrades, migrations, and technology refresh initiatives.
• Integrate UNIX/Linux systems with virtualization, storage, backup, and cloud environments.
• Administer enterprise Linux and UNIX operating systems across multiple security enclaves.
• Manage authentication, file systems, storage, and system resources.
• Monitor system health, capacity, and performance.
• Support enterprise backup and disaster recovery.
• Support RMF, A&A, vulnerability remediation, POA&M activities, and audit readiness
• Develop automation using Bash, Python, and Ansible.
• Support Infrastructure-as-Code, Checklist-as-Code, and modernization initiatives.

Job description

IPSecure is seeking a senior UNIX Engineer III to design, implement, and sustain enterprise UNIX/Linux infrastructure supporting 24x7 DoD cyber operations in San Antonio, TX. The role emphasizes secure, highly available environments and compliance with RMF, STIGs, and A&A processes.

The candidate should hold an active TS/SCI clearance, a related Bachelor's degree, and 8+ years of UNIX/Linux engineering experience, with hands-on expertise in RHEL/Oracle Linux, Ansible, Bash, Python, and VMware