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Senior System Administrator, Developer
Horizon Industries, Limited. Own execution of system administration for IDEAS as Key Personnel, directing System Administrator support and coordinating with the Database Administrator and ISSO .
Tech Stack
Tools & technologiesApacheJavaLinuxOracleShell ScriptingSplunk
About the role
Key responsibilities & impact- Own execution of system administration for IDEAS as Key Personnel, directing System Administrator support and coordinating with the Database Administrator and ISSO
- Administer RHEL, Apache HTTP, Oracle Java, and Oracle WebLogic across Performance, Staging, and Development environments
- Perform system builds and decommissions, manage user accounts, security groups, and file permissions
- Administer application-layer components including Appian, Oracle applications, and WebLogic in Staging and Production
- Submit Enterprise Change Requests to the Change Advisory Board and DISA OS, database, and web administration groups
- Test and document security patches in lower environments using automated scripts and schedule production deployments
- Serve as named alternate to the ISSO for STIG checklist reviews, ACAS and HBSS findings, IAVA remediation, and POA&M inputs
- Manage the DoD PKI certificate lifecycle, including CSRs, installation, expiration tracking, CRL updates, and certificate removal
- Automate log inspection with shell scripting and Splunk and produce ranked risk and trend reports
- Keep server application components within two releases of the vendor baseline
- Produce and maintain system administration documentation, SOPs, SSP inputs, system diagrams, administration and troubleshooting guides, and critical-service lists
- Support achieving and maintaining Authority to Operate
Requirements
What you’ll need- Must possess an active Secret Clearance
- 10+ years of IT experience, including 5+ years administering Red Hat Enterprise Linux in production
- 5+ years administering Oracle WebLogic Server
- Experience patching, tuning, and securing Apache HTTP and Java applications
- Hands-on DISA STIG implementation, ACAS remediation, and IAVA compliance in a DoD Risk Management Framework environment
- DoD PKI and SSL/TLS certificate management
- Bash scripting for automation and Splunk or a comparable log analysis tool
- Experience working through formal change control in a government-hosted environment
- Experience on at least two projects in a large organization administering, operating, maintaining, and securing a large-scale application
Benefits
Comp & perks- Comprehensive benefits package including healthcare (medical, dental, vision, and disability)
- 401k program with 100% vesting from day one and employer match after 90 days
- Educational Assistance program
- Student Loan Repayment Program
- Gym Reimbursement Program
- Paid Time Off
- Training and certification support
- Employee-focused, family-centric culture
- Dynamic, passionate, multidisciplinary team