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1334 - Senior Systems Specialist

Sigma Defense

Norfolk, Virginia, United States permanent

Posted: February 19, 2026

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Quick Summary

We are seeking a Senior Systems Specialist to work on an upcoming Navy contract in Norfolk, VA or Charleston, SC.

Job Description

Sigma Defense is seeking an Senior Systems Specialist to work on an upcoming Navy contract in Norfolk, VA or Charleston, SC.

This is a contingent position that is pending award of contract. This means that the position is subject to the successful awarding of a contract and will be confirmed once the contract is finalized. The candidate selected for this role will be offered the position on the condition that the contract is awarded to our organization.

Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.


Requirements:
• 10+ years of full-time professional experience in the design, implementation, configuration, maintenance, integration, and deployment of COE systems to also include wireless and wired computer networks and devices such as routers, switches, and firewalls.
• 3+ years of full-time experience with remote COE dataflow configuration and management to include experience with data leveling, data transformation, and data ingestion protocols for compliance with national COE enterprise depositories.
• 3+ years of full-time experience with engineering COE data configuration and routing methodology to meet mission requirements and post-mission delivery to end users.
• 3+ years of full-time professional experience in the following skillsets/disciplines:
• Windows Active Directory Services/Primary Domain Controller (PDC).
• Windows configuration, administration, and deployment.
• Linux configuration, administration, and deployment.
• Virtual-machine deployment, i.e., VMWare/vSphere.
• Apache Nifi.
• Hardware and software configuration management (tracking bugs, enhancements, requirements, risks, test results, and tasks).
• System and Network Security related activities to include design, implementation, configuration, and enforcement of security controls on network, hardware, and software components and devices.

• Certified in Security+ at minimum.
• Certified SYSADMIN in Windows and or Linux operating systems.
• Must be a U.S. citizen.

Personnel Clearance Level:

• Candidate must possess or have the ability to obtain an active TS/SCI clearance or higher.

Education Requirements:

• Bachelor's degree from an accredited college or university in a Business or Engineering discipline.

Salary Range: $105,000 - $170,000 annually.


Benefits:
• Dental and Vision Insurance

• Medical Insurance to Include HSA, FSA, and DFSA Plans
• Life and AD&D coverage
• Employee Assistance Program (EAP)
• 401(k) Plan with Company Matching Contributions
• 160 Hours of Paid Time Off (PTO)
• 12 (Floating) Holidays
• Educational Assistance
• Highly Competitive Salary

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