System Administrator

Independent Software•Columbia, MD

About The Position

At Independent Software, as a Systems Administrator, all levels, you will support secure, mission-critical infrastructure across Linux and mixed Linux/Windows enterprise environments. This role supports a wide range of operational systems including virtualized infrastructure, containerized platforms, cloud-hosted environments, and automated system administration solutions supporting DoD and Intelligence Community missions. Depending on experience level, you will assist with or lead system administration, troubleshooting, automation, virtualization, compliance support, and operational sustainment activities across complex enterprise environments. This position is ideal for candidates who enjoy working hands-on with Linux systems, automation tools, virtualization platforms, and secure operational environments while supporting highly available mission systems.

Requirements

Experience administering Linux systems in enterprise or operational environments
Experience with scripting and automation using Bash, Perl, Python, or similar languages
Experience supporting enterprise storage management solutions
Experience with KVM virtualization technologies
Experience with configuration management and automation tools such as Ansible or SALT
Experience supporting cloud infrastructure and AWS environments
Experience with FreeIPA administration and integration
Understanding of SSP compliance and STE/STN support requirements
Strong troubleshooting and problem-solving skills
Ability to work independently and collaboratively within operational teams
Strong written and verbal communication skills
A DoD 8570 IAT Level II baseline certification is required
Must possess an active TS SCI with appropriate Polygraph to be considered for this role

Nice To Haves

Experience supporting secure DoD or Intelligence Community systems
Experience supporting highly available enterprise Linux environments
Experience supporting operational or mission-critical infrastructure
Experience with enterprise monitoring and performance tuning
Experience supporting mixed-platform enterprise environments

Responsibilities

Deploy, configure, maintain, and troubleshoot Linux-based enterprise systems
Support containerized environments and virtualization platforms
Support enterprise storage management and operational sustainment activities
Administer and maintain KVM virtualization environments
Develop and maintain automation solutions using Ansible, SALT, and scripting languages such as Bash, Perl, or Python
Support cloud-hosted infrastructure and AWS-based environments
Configure and maintain FreeIPA within enterprise Linux environments
Support system hardening, patching, upgrades, and lifecycle management activities
Maintain compliance with SSP documentation and STE/STN security requirements
Troubleshoot system, application, network, virtualization, and infrastructure-related issues
Support operational monitoring, system reliability, and performance optimization
Develop and maintain technical documentation and operational procedures
Collaborate with engineering, operations, and security teams to support mission requirements
Participate in on-call support and maintenance activities as required