System Administrator, Level 4

Independent Software, Inc.; Fort Meade (MD); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Ongoing training and mentorship

Competitive compensation

Generous benefits

Work-life balance

Job summary

Independent Software, Inc. in Fort Meade, Maryland, is looking for a System Administrator Level 4 to support mission-critical IT systems. You will manage both Linux and Windows operating systems, lead troubleshooting efforts, and ensure system stability in a highly secure environment. Required qualifications include 20+ years experience, a bachelor's degree, and an active TS SCI clearance. The role offers competitive compensation and a commitment to employee development through training and mentorship.

Qualifications

• Strong experience with Linux and Windows system administration.
• Advanced troubleshooting across enterprise IT environments.
• Ability to work independently in a fast-paced, classified environment.

Responsibilities

• Provide Tier 1, Tier 2, and Tier 3 support for system issues.
• Configure and manage Linux and Windows operating systems.
• Monitor system performance and troubleshoot issues.

Skills

Linux system administration

Windows system administration

Advanced troubleshooting

IT Service Management processes

Networking knowledge

Storage practices

System security practices

Patch management

Vulnerability management

Compliance requirements

Independent work in classified environment

Education

Bachelor’s degree in a technical field

20+ years of System Administrator experience

8+ years supporting IT Service Management

Tools

Active DoD 8570 / 8140 IAT Level III certification

ITIL v4 Certification

OS Certification

Job description

What You Will Do:

As a System Administrator Level 4 at Independent Software, you will support mission-critical IT systems in highly secure, high-availability environments. You will work across Linux and Windows platforms to ensure systems are secure, stable, and operating at peak performance.

In this role, you will lead troubleshooting efforts, support Desktop Services operations, and manage system configurations across enterprise infrastructure. You will collaborate with engineers, ISSOs, and program leadership to maintain compliance, resolve complex issues, and ensure reliable system operations in classified environments.

Key Responsibilities:

• Provide Tier 1, Tier 2, and Tier 3 support for system issues across client, server, storage, and network environments
• Configure, manage, and maintain Linux and Windows operating systems
• Monitor system performance, troubleshoot issues, and implement solutions to improve reliability
• Perform account management and support user access to IT systems
• Apply patches, conduct vulnerability scans, and support system security compliance
• Support configuration management and system changes in coordination with ISSO and leadership
• Analyze and resolve complex technical issues across infrastructure and applications
• Support Desktop Services environments, including VDI and thin client technologies
• Communicate system status and provide updates to stakeholders

Required Skills and Qualifications:

• Strong experience with Linux and Windows system administration
• Advanced troubleshooting across enterprise IT environments
• Experience with IT Service Management (ITSM) processes
• Knowledge of networking, storage, and system security practices
• Familiarity with patching, vulnerability management, and compliance requirements
• Ability to work independently in a fast-paced, classified environment

Education and Experience:

• Bachelor’s degree in a technical field or equivalent experience
• 20+ years of System Administrator experience on similar programs
• 8+ years supporting IT Service Management (ITSM)

Certifications:

• Active DoD 8570 / 8140 IAT Level III certification (required to start)
• ITIL v4 Certification
• OS Certification

Clearance Requirement:

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

Benefits:

• 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

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.