Computer System Analyst III

Endurion; Charleston (SC); On-site; USD 90,000 - 130,000; Full time

Job summary

Endurion is seeking a Computer System Analyst III to provide critical technical and operational support in a mission-focused environment. You will ensure system functionality, convey requirements to clients, and collaborate in meetings while maintaining productivity at a computer.

The role requires a Secret clearance, 5 years' experience in computerized systems across design, development, testing and evaluation, networks, and UNIX/Windows.

Qualifications

• High School Diploma or GED must be satisfied.
• 5 years of experience in Computerized Systems including design, development, test and evaluation, networks, and UNIX/Windows OS.
• Ability to obtain certifications within 1.5 years: PSEM/CSDP.
• Experience with a C4ISR Program of Record (PoR) such as DCGS-MC All Source, DCGS-MC GEOINT or DCGS-MC SIGINT.

Responsibilities

• Clearly communicate task requirements to clients.
• Lead and participate in meetings and working groups.
• Use a keyboard and maintain visual acuity for extended periods.
• Attend work during scheduled hours unless travel/time off.
• Work on a computer and communicate via telephone, email, and face‑to‑face.

Skills

Technical communication

UNIX

Windows

Networking

LAN administration

System design

Software development

C4ISR PoR experience

Education

High School Diploma or GED

PSEM

CSDP

Tools

DCGS-MC All Source

DCGS-MC GEOINT

DCGS-MC SIGINT

Job description

Position Overview: The Computer System Analyst III, provides essential technical and operational support within a mission-focused environment, ensuring effective communication, task execution, and system functionality in support of organizational objectives. The position requires the ability to clearly convey task requirements to clients, participate in meetings and working groups, and maintain consistent productivity while working on a computer for extended periods.

The individual in this role applies broad experience in computerized systems—including system design, development, testing and evaluation, network protocols, LAN administration, and both UNIX and Windows operating systems—to support C4ISR Programs of Record such as DCGS-MC All Source, GEOINT, or SIGINT. The position requires adherence to scheduled work hours, proficiency in both written and verbal communication, and the ability to perform duties involving extended use of keyboards and visual focus.

A Secret clearance, relevant technical experience, and the ability to obtain advanced professional certifications are required. Industry‑recognised certifications in systems, networking, cloud, and software development are highly preferred and contribute to enhanced performance in this role.

Duties & Responsibilities

• Communicate task requirement information to clients clearly and concisely.
• Sit and stand for prolonged periods, lead, and participate in meetings and working groups.
• Use a keyboard and maintain visual acuity.
• Attend work during scheduled hours unless on travel or approved time off.
• Work on a computer for extended periods and communicate with individuals via telephone, email, and face‑to‑face.

Requirements:

• High School Diploma or GED
• Ability to obtain certifications within 1.5 years: Professional Software Engineering Master (PSEM)/Certified Software Development Professional (CSDP)
• 5 years of experience in Computerized Systems: Design, Development, Test and Evaluation, Network Protocols, LAN administration fundamentals, and UNIX and Windows‑based operating systems.
• Demonstrated experience with a C4ISR Program of Record (PoR) such as DCGS-MC All Source, DCGS-MC GEOINT, or DCGS-MC SIGINT. Experience may be achieved simultaneously.

Preferred:

Completion of certifications with COR approval: Microsoft role‑based certifications, Microsoft Certified Applicator Developer (MCAD), Microsoft Certified Database Administrator (MCDBA), Red Hat Certification Program (RHCP), CISCO Certified Network Professional (CCNP), CISCO Certified Design Professional (CCDP), Oracle Certified Professional (OCP), VMWare Certified Professional (VCP), and Cloud Certifications.

Endurion complies with all Equal Employment Opportunity (EEO) requirements. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally protected characteristic. Endurion will provide reasonable accommodations to qualified individuals with disabilities in accordance with the Americans with Disabilities Act (ADA). If you need assistance or an accommodation due to a disability, please contact us at [e-mail].

This job description is intended to describe the general nature and level of work performed by employees in this position. It is not intended to be an exhaustive list of all responsibilities, duties, and skills required. Management retains the discretion to add to or modify the duties of the position at any time. Employment with Endurion is at‑will, meaning that either the employee or the employer may terminate the employment relationship at any time, with or without cause or advance notice, provided it does not violate applicable law.