Senior UNIX System Engineer

Sev1Tech is looking for a Senior UNIX System Engineer for a mixed and growing environment of Red Hat Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX.The responsibilities include but are not limited to:Working with the existing UNIX team to manage, maintain, deploy, troubleshoot and support servers for a mixed customer environmentPlanning, executing, and implementing new system Hardware and Software and create and maintain team technical instructions, operating procedures and policies as needed Monitoring and tuning system performance, ongoing operation of the servers, hardening of the servers and reporting of the overall security and operational statusRecommend improvements to the enterprise and manage new SW/HW integrations when required while also providing utilization reports using existing tools to identify problems and corrective actions as neededExcellent communication and team skillsProvide support towardthe lifecycle of a mixed environment of vendor equipment in the data center to include firmware version control and periodic preventive maintenanceBe able to recommend, demonstrate, and implement technologies to help expand, upgrade, and increase efficiency to the current environmentActive DoD Secret Security ClearanceCompTIA Security+Experience in Computer Science or ITComputing Environment (CE) Certification (i.e., RedHat) - can be waived for 30 days after project join dateMinimum five years' experience as a Unix Systems Administrator or IT Engineer with experience in automating assigned tasksMinimum three years’ experience in patch management with understanding how to apply security updates to systems via YUM and RPMMinimum three years’ experience working in an environment with complex networks while demonstrating experience using VLANs, troubleshooting tools such as ifconfig, netstat, ssh and telnet as well as how to harden a system using firewalld/iptables and hostsMinimum three years’ experience managing a large pool of local users through the use of the command lineMinimum three years' experience creating, maintaining, following Standard Operating Procedures for repeatable processes, disaster recovery, and common problem resolutionMinimum three years’ experience configuring and maintaining key services such as DNS, SFTP, SMTP, and NTPStrong interpersonal skills and willingness to be a team playerBachelor's degree in computer science or equivalent years of experienceMinimum three years’ experience with SELinux - understand the basic and advanced management and configuration of SELinuxExperience supporting Cybersecurity patch management and Security Technical Implementation Guides (STIG), Security Requirement Guides (SRG), RMF, Security Control Assessor-Validator (SCA-V), and Cyber Operational Readiness Assessments (CORA)Experience deploying large scale HW and SW systems enhancements and/or upgrades for an organization with widely distributed geographic sitesExperience with current and emerging network and infrastructure management technologies and business practicesWelcome to Sev1Tech! Founded in 2010, we are proud to be a leading provider of IT modernization, engineering, and program management solutions. Our commitment is to deliver exceptional program and IT support services that empower critical missions for both Federal and Commercial clients.At Sev1Tech, our mission is clear: Build better companies. Enable better government. Protect our nation. Build better humans across the country. We believe that through innovation and dedication, we can make a significant impact on the communities we serve.Join the Sev1Tech family, where your potential for greatness is limitless! Here, you will not only achieve remarkable accomplishments but also enjoy a fulfilling and rewarding career progression. We invite you to explore opportunities with us and become part of a team that values your contributions and growth.Ready to take the next step? Apply directly through our website: Sev1Tech Careers and use the hashtag #joinSev1Tech to connect with us on social media!For any additional questions or to submit referrals, feel free to reach out .

Created: 2025-10-04