Currently, ManTech is seeking a motivated, career and customer-oriented **Network Systems Security Administrator II** to join our team in **Colorado Springs, CO.** The primary function is working with Special Access Program (SAPs) and other classified networks supporting SMC Directorates and/or AFSPC Operational Units. The position will provide “day-to-day” support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities. **Responsibilities include but not limited to:** + Install, maintain, audit and support a secure MS Windows network environment and limited web/data application service. + Maintain internet applications and protocols IP, TCP, HTTP, HTTPS, FTP, & SSL.Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required. + Interface with local customers and provide IT related support to quickly resolve problems. + Analyze and troubleshoot system anomalies to ensure optimum equipment performance. + Perform periodic maintenance, hardware upgrades and replacement, firmware updates and system configuration changes. + Perform scheduled tape backups on systems as required. + Manage data backup library to include storage of tapes, disks and other magnetic media at the customer’s location and off-site storage facilities as required. + Attend planning and requirements meetings with IT staff, Program Managers and customers as required. + Prepare system for operational use and support operational tests. + Provide technical guidance. **Basic Qualifications:** + Bachelor’s degree in a related area or and additional 4 years of experience may be considered in lieu of degree. + Minimum of 3 years total related experience. + Minimum 2 years of relevant SCI or SAP experience. Minimum 1 years of SAP-related experience highly desired. + Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Technician Level 2 within 6 months of the date of hire. + Applicable Windows professional certifications, based on OS requirements for supported Organization. + Thorough knowledge of Microsoft Windows 2000/2003/2007 Server, Microsoft Exchange Server 2003, Microsoft Windows XP/Vista operating systems (OS) administration and associated hardware. + Working knowledge of Local Area Network (LAN) and Wide Area Network (WAN) technologies and data backup technologies to include 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. + Working knowledge and current relevant experience with PL1 & PL2 systems; experience with PL3 & PL4 cross domain solutions is a plus. + Must be familiar with security policy/manuals and the appropriate ICDs/JAFANs/DOD Manuals and other guiding policy documents. **Security Clearance Requirements:** + Current Top-Secret Clearance with SCI Eligibility + Eligibility for access to Special Access Program Information + Willingness to submit to a polygraph. **Preferred Requirements:** + Ability to work in a dynamic environment and effectively interact with numerous DOD,military/civilian personnel and industry partners. + Working knowledge of Microsoft Office (Word, PowerPoint, and Excel). + Possess a high degree of originality, creativity, initiative requiring minimal supervision. + Requires travel within the organizational Area of Responsibility (AOR) (note - could be extensive and will include both air and ground transportation). **Physical Requirements:** + 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. + Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer. + Frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.