Network Security Specialist

3 days ago


El Segundo, California, United States ManTech Full time
Job Summary

We are seeking a highly skilled Network Security Specialist to join our team at ManTech International Corporation. As a key member of our cybersecurity team, you will be responsible for ensuring the security and integrity of our networks and systems.

Key Responsibilities
  • Install, maintain, and audit secure MS Windows network environments and limited web/data application services.
  • Maintain internet applications and protocols, including IP, TCP, HTTP, HTTPS, FTP, and SSL.
  • Maintain file servers, firewalls, network access, security monitoring systems, and system documentation as required.
  • Interface with 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 libraries, including 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 systems for operational use and support operational tests.
  • Provide technical guidance.
Requirements
  • Bachelor's degree in a related area or an additional 4 years of experience may be considered in lieu of degree.
  • Minimum of 3 years of total related experience.
  • Minimum 2 years of relevant SCI or SAP experience. Minimum 1 year 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, including 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.
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.


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