System Administrator, Level 4

Full-time

Independent Software

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
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.

Apply

Vacancy posted 4 days ago

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