ManTech
From ManTech's careers page
Status: listed on the employer's own careers page when we last checked (daily). Confirm on their site before applying.
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!
MANTECH seeks a motivated, career and customer-oriented Global Command and Control (GCCS) Systems Administrator to join our team in Doral, FL.
Installing, configuring, maintaining, and administering Global Command and Control System (GCCS-J/GCCS-A/GCCS-M) servers and client workstations.
Managing GCCS system baselines, database synchronization, track management, and C4I system interfaces across operational networks.
Performing routine system administration, vulnerability patching, software updates, and diagnostic troubleshooting on Solaris, Linux, and Windows platforms.
Maintaining system configuration baselines, operational logs, and data feed synchronization across theater command networks.
Collaborating with cross-functional technical teams, network engineers, and operational staff to ensure high GCCS availability.
Executing system backups, disaster recovery procedures, and security compliance verification for mission-critical command systems.
Recommending and implementing continuous process improvements to enhance GCCS operational performance and data reliability.
Bachelor’s degree in Computer Science, Information Technology, Systems Engineering, or a related field with 5+ years of experience in systems administration.
OR a master’s degree and 3+ or more years of relevant experience
OR an associate’s degree and 7+ or more years of relevant experience
OR a high school diploma and 9+ or more years of relevant experience
Proven experience administering and maintaining Global Command and Control System (GCCS) variants (GCCS-J, GCCS-A, or GCCS-M) in an enterprise environment.
Strong background in Unix/Solaris, Linux (RHEL), and Windows server administration, including database management and command track synchronization.
Experience maintaining system baselines, configuration management controls, and patch management protocols.
Experience creating, maintaining, and communicating complex technical documentation and system baseline architecture diagrams.
Relevant professional certifications such as CompTIA Security+, Red Hat Certified System Administrator (RHCSA), or Oracle Certified Associate (Solaris).
Prior experience supporting U.S. Military Command operations, Combatant Command environments, or Department of Defense C4I infrastructure.
Familiarity with DoD STIG implementation, DISA compliance standards, and automated vulnerability scanning tools (ACAS).
Demonstrated ability to collaborate effectively across multi-disciplinary engineering teams in fast-paced operational environments.
Must hold a current/active top secret security clearance.
Must be able to remain in a stationary position 50%.
Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.
Scores your resume against this job the way resume scanners do: the job's hard and soft skills, searchability, recruiter tips and formatting.
Create a free account to see your score. Your resume stays in this browser until then, and we never store it.
Already a member? Sign in