Job Description

MANTECH seeks a motivated, career and customer-oriented Network/System Administrator II to join our team in El Segundo, CA.

The Network/System Administrator II will leverage their strong technical background to support Special Access Programs (SAPs) and other classified networks. You will provide essential day-to-day support for Collateral, Sensitive Compartmented Information (SCI), and SAP activities, ensuring secure and reliable operations within a dedicated office environment.

Responsibilities include but are not limited to:

• Installing, maintaining, auditing, and supporting a secure MS Windows network environment and associated web/data application services.
• Maintaining file servers, firewalls, network access, and security monitoring systems while ensuring all system documentation remains current.
• Interfacing directly with local customers and program managers to provide rapid IT support and resolve technical issues during requirement meetings.
• Analyzing and troubleshooting system anomalies to ensure optimum equipment performance and minimal downtime for mission-critical systems.
• Performing periodic hardware upgrades, firmware updates, and system configuration changes to maintain robust system baselines.
• Managing data backup libraries and performing scheduled tape backups to include secure off-site storage as required.
• Preparing systems for operational use and providing technical guidance during operational tests to ensure all requirements are met.

Minimum Qualifications:

• Bachelor’s degree in a related area additional 4 years of experience will be accepted in lieu of degree.
• 3+ years of total experience.
• 2+ years of relevant experience specifically supporting SCI or SAP environments.
• Must meet DoD Directive 8570.01-M IAT Level II certification requirements (e.g., Security+ CE, CCNA, or CySA+) within 6 months of hire.
• Experience with the installation and maintenance of secure MS Windows network environments and internet protocols like TCP/IP and
• Experience troubleshooting complex system anomalies and performing hardware/software configuration management tasks.

Preferred Qualifications:

• Applicable Windows professional certifications based on specific organizational operating system requirements.
• Thorough knowledge of Microsoft Windows Server administration, Microsoft Exchange, and associated hardware.
• Working knowledge of LAN/WAN technologies, COMSEC integration, and data backup technologies.
• Familiarity with JAFAN 6/0, ICDs, and Joint DODIIS/Cryptologic SCI Information Systems Security Standards.

Clearance Requirements:

• An active TS/SCI or TS with SCI eligibility
• Candidates must be eligible for access to Special Access Programs.
• Willingness to submit to a polygraph is required.

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, and install computer equipment.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
• Must be able to exchange accurate information in these situations.

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