Senior UNIX System Engineer

CDO Technologies, Inc; Beavercreek (OH); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Health and welfare benefits

401(k) plan with company contributions

Tuition reimbursement and professional

Certification reimbursements

Disability and life insurance

Job summary

CDO Technologies, Inc is seeking a Senior UNIX System Engineer in Beavercreek, Ohio to support Red Hat, Oracle Enterprise Linux, and Solaris environments for government and mission customers.

You will administer, secure, deploy, tune, and sustain enterprise server infrastructure while planning hardware/software upgrades and maintaining documentation and recovery procedures.

Qualifications

• Active DoW Secret security clearance.
• CompTIA Security+ certification.
• RH-based Certification or Computing Environment certification (e.g., Red Hat) may be obtained within 30 days after start.
• 5+ years as UNIX Systems Administrator or IT Engineer.
• 3+ years patch-management with YUM/RPM.
• 3+ years supporting complex networks, VLANs, and troubleshooting tools (ifconfig, netstat, SSH, Telnet).
• 3+ years system-hardening using firewalld, iptables, hosts controls.
• 3+ years managing local user accounts via command-line.
• 3+ years SOPs for repeatable processes, DR, and common-problem resolution.
• 3+ years DNS, SFTP, SMTP, and NTP services configuration.

Responsibilities

• Administer, maintain, deploy, troubleshoot, and support UNIX/Linux servers in a complex environment.
• Plan, implement, and support new hardware and software capabilities.
• Monitor, tune performance, availability, capacity, and operational health.
• Harden systems, apply security updates, and report security status.
• Create and maintain SOPs, policies, and recovery procedures.
• Manage firmware version control, preventive maintenance, and lifecycle of data-center equipment.
• Develop utilization reports and implement corrective actions.
• Suggest and implement technology improvements for security and scalability.
• Support integration of new software and hardware components.

Skills

Interpersonal skills

Team collaboration

Education

Bachelor's degree in computer science

Red Hat certification

SELinux administration

Tools

DNS

SFTP

SMTP

NTP

Job description

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.

Position Summary

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.

Essential Duties and Responsibilities

• 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.

Required Qualifications

• 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.

Preferred Qualifications

• 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.

What can a CDO employee expect?

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.

CDO is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender identity, sexual orientation, national origin, disability, or veteran status.