System Administrator

Columbia Technology Partners•Annapolis Junction, MD

13d

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. The 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, while contributing to vulnerability remediation, system documentation, and the availability and performance of mission-critical environments. The position requires U.S. citizenship, an active security clearance with an appropriate polygraph, and successful completion of a security background investigation and polygraph. Applicants and employees are subject to random drug testing in accordance with Executive Order 12564. An active CompTIA Security+ certification and a DOD 8570 certification are required. CTP describes the role as an opportunity to work across Linux, virtualization, storage, networking, identity management, cybersecurity, and automation, with direct influence on system reliability, security, and mission success. Compensation is competitive, but no specific salary range is provided.

Requirements

At least 5 years of professional System Administrator experience, including hands-on administration of 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, including the ability to clearly document configurations, procedures, incidents, and system changes.
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.
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 in 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 at no cost to the employee.
Short-term and long-term disability coverage at no cost to the employee.
End-of-year profit-sharing bonus.
Referral bonus program with bonuses ranging from $7,000 to $20,000, depending on the referral's stage in the hiring process.