System Administrator

Columbia Technology Partners•Annapolis Junction, MD

About The Position

Columbia Technology Partners is seeking a System Administrator to support the operation, maintenance, and reliability of internal and customer environments across classified and unclassified systems. This role is suited to an experienced Linux administrator who can work across virtualization, storage, identity, networking, and security. The administrator will manage Linux servers, user virtual machines, shared storage, identity services, and supporting network infrastructure, and will contribute to vulnerability remediation, system documentation, and the availability and performance of mission-critical environments. The role requires at least five years of professional System Administrator experience, hands-on Linux administration, intermediate Cisco network administration and troubleshooting, advanced scripting skills, strong documentation and communication skills, and an active CompTIA Security+ certification. Applicants must be U.S. citizens. Employment is contingent on a successful security background investigation and polygraph; an active security clearance with appropriate polygraph and a DOD 8570 certification are required. Columbia Technology Partners is a Service-Disabled Veteran Owned Small Business founded in 2007, specializing in technology and management consulting for corporations and federal agencies. The company describes its pay as competitive and offers benefits including medical plans, employer-paid vision and dental coverage, retirement contributions, paid time off and leave, career-related learning support, insurance coverage, profit-sharing bonuses, and a referral bonus program.

Requirements

At least 5 years of professional System Administrator experience.
Hands-on experience administering Linux-based environments.
Strong Linux troubleshooting skills and ability to support interconnected virtualization, storage, identity, and network infrastructure.
Intermediate knowledge and hands-on experience with Cisco network administration and network troubleshooting.
Advanced scripting skills, including modifying existing scripts and developing new automation or administration scripts.
Strong documentation and communication skills.
Active CompTIA Security+ certification.
U.S. citizenship.
Active security clearance with appropriate polygraph.
DOD 8570 certification.
Successful completion of a security background investigation and polygraph; applicants and employees are subject to random drug testing in accordance with Executive Order 12564.

Nice To Haves

Experience administering Oracle Linux, particularly versions 8, 9, and/or 10.
Strong knowledge of CVEs, vulnerability remediation, and IAVM management.
Experience configuring and troubleshooting Cisco IOS-XE network infrastructure.
Experience with Oracle ZFS Storage Appliance or comparable enterprise storage platforms such as NetApp or Dell EMC.
Experience with virtualization platforms such as OLVM, oVirt, Proxmox, VMware, or similar technologies.
Familiarity with FreeIPA, Linux-based identity management, and DNS services.
Experience supporting infrastructure across classified and unclassified environments.

Responsibilities

Administer Oracle Linux 8, 9, and 10 systems, including installation, configuration, patching, monitoring, maintenance, and troubleshooting.
Manage unclassified user virtual machines using Oracle Linux Virtualization Manager (OLVM).
Maintain Oracle ZFS Storage Appliance (ZS11-2) shared storage supporting classified and unclassified environments.
Support FreeIPA identity management and DNS services within the unclassified environment.
Configure, maintain, and troubleshoot network connectivity and Cisco IOS-XE devices in coordination with network teams.
Assess Common Vulnerabilities and Exposures (CVEs), track remediation activities, and support IAVM management.
Develop and maintain scripts for system administration, configuration, maintenance, and automation.
Document system configurations, maintenance procedures, incidents, troubleshooting activities, and system changes.
Take ownership of system and network reliability by proactively identifying and resolving issues to minimize user downtime.

Benefits

Three medical plans with in-network and out-of-network options.
Vision and dental coverage paid in full by CTP.
401(k) with a 6% company contribution.
Paid time off and customizable leave plans.
Jury duty, bereavement, and military leave.
Up to $10,000 for approved career-related learning, training, education, and/or tuition.
Life and AD&D insurance, short-term disability, and long-term disability at no cost to employees.
End-of-year profit-sharing bonus.
Tiered referral bonus program, with bonuses ranging from $7,000 to $20,000 if a referral joins the team.

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