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

The Network/System Administrator (NSA) -III will leverage their strong technical background and knowledge to support Special Access Programs (SAPs) and other classified networks supporting SSC Directorates and/or AFSPC Operational Units. This role supports day-to-day operations for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities in a five-day-a-week, in-office environment.

Responsibilities include but are not limited to:

• Install, maintain, audit, and support a secure MS Windows network environment, file servers, firewalls, and network access while troubleshooting anomalies to ensure optimum performance.
• Maintain internet applications and protocols including IP, TCP, HTTP, HTTPS, FTP, and SSL.
• Interface directly with local customers and IT staff to provide technical guidance and quickly resolve network or desktop support issues.
• Perform periodic system maintenance, hardware upgrades and replacements, firmware updates, and system configuration changes.
• Manage the scheduled data backup library, including executing tape backups and arranging safe storage at customer locations or off-site facilities.
• Prepare systems for operational use, support operational tests, and attend planning and requirements meetings with program managers and stakeholders.
• Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Technician Level 2 (IAT Level II) within 6 months of hire (e.g., Security+ CE, CCNA, CySA+, CND).

Minimum Qualifications:

• Bachelor’s degree in a related technical area; an additional 4 years of related experience might be substituted for a degree.
• 6+ years of total related experience
• 4+ years of relevant SCI or SAP experience.

Preferred Qualifications:

• Thorough knowledge of Microsoft Windows Server (2000/2003/2007), Microsoft Exchange Server 2003, and Windows XP/Vista operating systems administration and associated hardware.
• Applicable Windows professional certifications based on OS requirements for the supported organization.
• Working knowledge of Local Area Network (LAN) and Wide Area Network (WAN) technologies, data backup systems, and communication security (COMSEC) integration.
• Working knowledge of JAFAN 6/0, DCID/JAFAN 6/3, DCID/JAFAN 6/9, and Joint DODIIS/Cryptologic SCI Information Systems Security Standards, Common Criteria, and System Security Policy as they relate to C&A for legacy systems.
• Experience with PL1 & PL2 systems, familiarity with PL3 & PL4 cross-domain solutions, and deep familiarity with security policies, manual ICDs, JAFANs, and DoD Manuals.

Clearance Requirements:

• An active Top Secret clearance with SCI eligibility is required to start.
• Applicants must be eligible for access to Special Access Programs (SAPs).
• Must have a willingness to submit to a Counterintelligence polygraph examination.

Travel:

This role requires regular travel within the organizational Area of Responsibility, which may include both air and ground transportation.

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time in closed-area offices.
• Must be able to lift up to 50 pounds.
• Need to occasionally move about inside and outside the office to access files, cabinets, or safes, and to install or remove computer-related equipment.