System Administrator

Independent Software; Corridor North (MD); On-site; USD 85,000 - 115,000; Full time

Benefits offered by this job

Ongoing training and career development

Competitive compensation

Generous benefits

Work-life balance

Job summary

Independent Software, located in Corridor North, MD, is seeking a Systems Administrator to support secure, mission-critical infrastructure across Linux and mixed environments. This role encompasses deploying and maintaining systems, developing automation solutions, and collaborating with engineering teams. The ideal candidate holds a Bachelor's degree and possesses strong skills in Linux administration, scripting, and configuration management. Required certifications include a DoD 8570 IAT Level II certification and an active TS SCI clearance. Competitive benefits and a commitment to employee growth are offered.

Qualifications

• Experience administering Linux systems in enterprise or operational environments.
• Experience with scripting and automation using Bash, Perl, Python, or similar languages.
• Experience with configuration management and automation tools such as Ansible or SALT.
• Experience with virtualization technologies such as Proxmox or similar platforms.
• Strong troubleshooting and problem-solving skills.

Responsibilities

• Deploy, configure, maintain, and troubleshoot Linux-based systems.
• Support mixed Linux and Windows operational environments.
• Administer and maintain containerized environments.
• Develop and maintain automation solutions.
• Collaborate with engineering and security teams.

Skills

Linux systems administration

Scripting (Bash, Perl, Python)

Configuration management with Ansible or SALT

Virtualization (Proxmox)

Cloud infrastructure support (AWS)

Troubleshooting skills

Strong communication skills

Education

Bachelor's degree in a technical discipline

5 years equivalent experience

Tools

Ansible

SALT

Proxmox

AWS

Job description

What You Will Do

At Independent Software, as a Systems Administrator 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.

Key Responsibilities

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

Required Skills and Qualifications

• Experience administering Linux systems in enterprise or operational environments
• Experience with scripting and automation using Bash, Perl, Python, or similar languages
• Experience with configuration management and automation tools such as Ansible or SALT
• Experience with virtualization technologies such as Proxmox or similar platforms
• Experience supporting containerized environments
• Understanding of SSP compliance and STE/STN support requirements
• Experience supporting cloud infrastructure and AWS environments
• Experience with CIFS and Centrify within enterprise environments
• Strong troubleshooting and problem‑solving skills
• Ability to work independently and collaboratively within operational teams
• Strong written and verbal communication skills

Education and Experience

• Level 0 (SA0): No demonstrated Systems Administrator experience is required. Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of Systems Administrator experience may be substituted for a bachelor’s degree.
• Level 1 (SA1): Five (5) years of experience as a Systems Administrator supporting programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional Systems Administrator experience may be substituted for a bachelor’s degree.
• Level 2 (SA2): Ten (10) years of experience as a Systems Administrator supporting programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional Systems Administrator experience may be substituted for a bachelor’s degree.
• Level 3 (SA3): Fifteen (15) years of experience as a Systems Administrator supporting programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional Systems Administrator experience may be substituted for a bachelor’s degree.

Preferred Qualifications

• Experience administering Windows Server environments
• Experience supporting Windows Domain Controllers
• Experience supporting Microsoft Exchange environments
• Experience supporting secure DoD or Intelligence Community systems
• Experience supporting mixed‑platform enterprise environments

Certifications

A DoD 8570 IAT Level II baseline certification is required

Clearance Requirement

Must possess an active TS SCI with appropriate Polygraph to be considered for this role

Why Choose Independent Software

At Independent Software, our people are the mission. We’ve built a company around collaboration, integrity, and innovation and we make sure our team has the tools and support to grow, succeed, and thrive.

When you join us, you will:

• Support critical national security missions that matter
• Be part of a close‑knit, employee‑first culture where your voice is heard
• Expand your skills through ongoing training, mentorship, and career development
• Enjoy competitive compensation, generous benefits, and work‑life balance

Ready to take the next step in your career? Join us and be part of something bigger.

Apply today.

We’re an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.