General informationRequisition # R70254
Locations USA-CA-El Segundo
Posting Date 08/26/2026
Security Clearance Required TS/SCI
Remote Type Onsite
Time Type Full time
Description & RequirementsMANTECH seeks a motivated, career and customer-oriented
Network Systems Administrator II to join our team in
El Segundo, CA.
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 are 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.
- 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.
Minimum Qualifications:
- Bachelor's degree, an additional 4 years of experience might be substituted for a degree.
- 3 years total related experience.
- 2 years of relevant SCI or SAP experience.
- 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.
- Requires travel within the organizational Area of Responsibility (AOR) (note - could be extensive and will include both air and ground transportation).
Preferred Qualifications:
- 1 year of SAP-related experience highly desired.
- 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.
- Ability to work in a dynamic environment and effectively interact with numerous DOD, military/civilian personnel and industry partners.
Clearance Requirements:
- Current Top-Secret Clearance with SCI Eligibility.
- Eligibility for access to Special Access Program Information.
- Willingness to submit to a Counterintelligence polygraph.
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.
The projected compensation range for this position is $85,000.00-$141,600.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
