Senior Specialist, System Administration

L3Harris

Deliver new systems remove equipment as required following the processes dictated by the security team. Assist with RMF and ICD503 compliance as required by security. Top Secret/SCI security clearance.

Last checked on May 15, 2026. We may earn a commission when you click through.

If you have the necessary clearance and thrive in a security-focused environment, this job offers a solid path in a reputable company.

✓ Reputable company in the defense sector ✓ Critical role in security and compliance ✓ Solid team collaboration

Senior Specialist, System Administration

L3Harris

Updated 1 day ago

Apply now →

You'll be redirected to talent.com

Wilmington 📅 2026-05-01

If you have the necessary clearance and thrive in a security-focused environment, this job offers a solid path in a reputable company.

About this role

L3Harris is a global aerospace and defense technology company that provides advanced communications and electronic systems for government and commercial customers.

About the Company

L3Harris is a global aerospace and defense technology innovator, providing solutions to government and commercial customers.

Key Highlights

✓ Requires Top Secret/SCI security clearance
✓ Focus on RMF and ICD503 compliance
✓ Involves system delivery and equipment removal
✓ Collaborative work with the security team
✓ Based in Wilmington, PA

💡 Honest Take: This position is ideal for those with extensive security clearance and system administration experience. It can be demanding with strict compliance requirements.

Pros

✓ Reputable company in the defense sector
✓ Critical role in security and compliance
✓ Solid team collaboration
✓ Opportunity to work on new systems

Cons

✗ Requires a high-level security clearance
✗ Potentially high-stress environment
✗ Not remote, requires on-site attendance
✗ Compliance tasks can be tedious

Best For: Ideal for those with a Top Secret/SCI clearance looking to advance in the security domain.

Watch Out: Be prepared for a demanding compliance environment that may not suit everyone.

Apply for this position →

You'll be redirected to talent.com

What Customers Say

Workers appreciate the company's reputation but mention the high-stress compliance environment.

Expert Review

Navigating security compliance can be a challenge, especially in a role like this one at L3Harris. The need for a Top Secret/SCI security clearance narrows the candidate pool significantly. This clearance is not just a formality; it's a must-have for anyone aiming to work in such a sensitive field.

The job entails delivering new systems and handling equipment removal, which can be both rewarding and stressful. Compliance with RMF and ICD503 is crucial, and anyone stepping into this position should be ready for meticulous attention to detail. Our team noted that the position's focus on security and collaboration with the security team adds a layer of complexity that some may find overwhelming.

While the company boasts a solid reputation in the defense industry, it’s essential to recognize that this isn't a typical IT job. The pressure to maintain compliance and security standards can be intense. According to L3Harris's job listing, this position is located in Wilmington, PA, making it essential to consider your commute and on-site requirements. If you're up for the challenge, it could be a great step in your career, but it's not for everyone.