Senior UNIX System Engineer

The Senior UNIX System Engineer supports a mixed and expanding Red Hat Enterprise Linux, Oracle Enterprise Linux, and Solaris UNIX environment. The role administers, secures, deploys, tunes, and sustains enterprise server infrastructure supporting Government and mission customers., * Administer, maintain, deploy, troubleshoot, and support UNIX/Linux servers in a complex customer environment.

• Plan, implement, and support new hardware and software capabilities.
• Monitor and tune system performance, availability, capacity, and operational health.
• Harden systems, apply security updates, and report system security and operational status.
• Create and maintain technical instructions, standard operating procedures, policies, and recovery procedures.
• Manage firmware version control, preventive maintenance, and lifecycle support for data-center equipment.
• Develop utilization reports, identify technical issues, and implement corrective actions.
• Recommend and implement technology improvements that increase security, capability, efficiency, and scalability.
• Support integration of new software and hardware components.

• Active DoW Secret security clearance.
• CompTIA Security+ certification.
• Computing Environment certification, such as Red Hat; certification may be obtained within 30 days after project start.
• 8 Years Experience in computer science or information technology with:
• At least five years of experience as a UNIX Systems Administrator or IT Engineer, including task automation.
• At least three years of patch-management experience, including YUM and RPM security-update processes.
• At least three years of experience supporting complex networks, VLANs, and troubleshooting tools such as ifconfig, netstat, SSH, and Telnet.
• At least three years of system-hardening experience using technologies such as firewalld, iptables, and hosts controls.
• At least three years of experience managing local user accounts through command-line tools.
• At least three years of experience developing and following SOPs for repeatable processes, disaster recovery, and common-problem resolution.
• At least three years of experience configuring and maintaining DNS, SFTP, SMTP, and NTP services.
• Strong interpersonal and collaborative skills., * Bachelor’s degree in computer science or equivalent experience.
• At least three years of SELinux administration and configuration experience.
• Experience supporting cybersecurity patch management, STIGs, SRGs, RMF, SCA-V, and CORA activities.
• Experience implementing hardware/software upgrades across geographically distributed organizations.

At CDO Technologies, we believe in taking care of our employees with a comprehensive benefits package. Our health and welfare benefits include two medical plan options along with a LiveHealth program to see a doctor online anytime day or night. CDO offers dental, vision, and a Flexible Spending Account for medical or childcare. Employees may also enroll in a 401(k) plan with their first paycheck. Full-time employees also receive company paid short- and long-term disability and life insurance. We also provide tuition reimbursement, professional development, and certification reimbursements. Finally, CDO also offers employees a generous leave program including paid holidays, vacation, and sick leave.

Are you ready to apply cutting-edge technologies to solve real world problems? Do you thrive in an environment where people leverage technology and processes to build innovative and sustainable solutions? You might just be a perfect fit for the CDO team. Since 1995, CDO Technologies has delivered the best solutions for unique business problems in the commercial and federal sectors ranging from Asset Management to IT Services. CDO employees demonstrate integrity, embrace teamwork, and embody a Can Do attitude in the delivery of superior customer service.