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Network​/System Administrator III

Job in El Segundo, Los Angeles County, California, 90245, USA
Listing for: Watermark Risk Management International
Full Time position
Listed on 2025-12-27
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

Overview

Come make your mark with Watermark! Watermark is founded by USAF veterans (2007) and is a Service-Disabled Veteran Owned Small Business. We are subject matter experts specializing in security and risk management, familiar with DoD security programs and mission requirements. Our core values drive every action we take, including perspective, passion, communication, integrity and ethics, and balance. We offer a competitive benefits package to address physical, mental, emotional, and financial well-being, including 100% employer-paid medical insurance, ample paid leave, a free employee assistance program, and a competitive 401k.

At Watermark, our people come first!

Position: Network/System Administrator III

The primary function is working with Special Access Programs (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
  • Install, maintain, audit and support a secure MS Windows network environment and limited web/data application services.
  • Maintain internet applications and protocols IP, TCP, HTTP, HTTPS, FTP, and 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, 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.
  • Provide leadership, mentoring, and quality assurance for team members.
Experience Requirements
  • 6-8 years total related experience, including a minimum of 4 years of relevant SCI or SAP experience.
  • Minimum 2 years of SAP-related experience highly desired.
Education Requirements
  • Bachelor’s degree in a related area or equivalent additional experience (4 years).
Certification Requirements
  • 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 the supported organization.
Security Clearance Requirements
  • Current Top Secret Clearance with SCI Eligibility.
  • Eligibility for access to Special Access Program Information.
  • Willingness to submit to a Counterintelligence polygraph.
Other Requirements
  • Thorough knowledge of Microsoft Windows Server versions and related hardware; experience with Microsoft Exchange Server 2003/2007 and Windows XP/Vista administration.
  • Working knowledge of LAN/WAN technologies and data backup technologies, including COMSEC integration.
  • Working knowledge of JAFAN 6/0, DCID/JAFAN 6/3, DCID/JAFAN 6/9, 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 of PL1/PL2 systems; PL3 and cross-domain solutions a plus.
  • Familiarity with security policy/manuals and ICDs/JAFANs/DOD Manuals and other guiding policy documents.
  • 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, Excel).
  • High degree of originality, creativity and initiative requiring minimal supervision.
  • Willingness to travel within the organizational Area of Responsibility (AOR); travel could be extensive and will include air and ground transportation.
  • Ability to lift up to 50 lbs. and traverse between buildings as needed; may require sedentary work at least 50% of the time.
  • Ability to manage stress…
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