Senior Systems Administrator - Remote DoD/Compliance Expert

horizonindustrieslimited; United States; Remote; USD 120,000 - 150,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

401(k) with match

Educational assistance

Student loan repayment

Gym reimbursement

Paid time off

Job summary

horizonindustrieslimited seeks a senior systems administrator to lead production for a DoD defense contract across DISA cloud environments. You will maintain RHEL, Apache, Oracle WebLogic, and Appian components, acting as alternate ISSO for STIG, ACAS, and IAVA.

This remote, USA-based role requires strong RMF, patching, automation and Splunk expertise to keep systems secure and compliant, enabling Authority to Operate across environments.

Qualifications

• 10+ years of IT experience with 5+ years administering Red Hat Enterprise Linux in production.
• 5+ years administering Oracle WebLogic Server.
• Bash scripting for automation and proficiency with Splunk or comparable log analysis tools.
• Hands-on experience patching, tuning, and securing Apache HTTP and Java applications.
• Demonstrated DISA STIG implementation, ACAS remediation, and IAVA compliance within a DoD RMF environment.
• DoD PKI and SSL/TLS certificate management experience.
• Experience working through formal change control in a government-hosted environment.
• Active Secret clearance and participation on at least two large-scale application administration projects.

Responsibilities

• Direct system administration across multiple environments (Performance, Staging, Development).
• Administer RHEL, Apache HTTP, Oracle Java, and Oracle WebLogic; manage builds and access controls.
• Manage Appian, Oracle apps, and WebLogic; submit change requests to CAB and DISA groups.
• Test and document security patches; schedule production deployment via provider processes.
• Serve as ISSO alternate for STIG reviews, ACAS/IAVA remediations, and POA&M inputs.
• Manage DoD PKI lifecycle: CSRs, installation, expiration tracking, revocation.

Skills

System administration

Bash scripting

Security

Splunk

Tools

RHEL

Apache HTTP

Oracle WebLogic

Appian

Tomcat

Oracle Service Bus

Job description

horizonindustrieslimited seeks a senior systems administrator to lead production for a DoD defense contract across DISA cloud environments. You will maintain RHEL, Apache, Oracle WebLogic, and Appian components, acting as alternate ISSO for STIG, ACAS, and IAVA.

This remote, USA-based role requires strong RMF, patching, automation and Splunk expertise to keep systems secure and compliant, enabling Authority to Operate across environments.