Network System Administrator

Company : ManTech International
Location : Los Angeles, CA, 90012
Posted Date : 12 October 2025
Job Type : Full Time
Category : IT Operations & Helpdesk
Occupation : System Administrator
Job Details
ManTech seeks a motivated, career and customer-oriented Network System Administrator III to join our team in Los Angeles, 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.
- 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.
Minimum Qualifications:
- Bachelor’s degree in a related area or 4 additional years of experience may be accepted in lieu of degree.
- 6+ years total related experience.
- 4+ years of relevant SCI experience.
- Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Technician Level 2 such as CompTIA Security + CE, within 6 months of the date of hire.
- 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.
- Must be familiar with security policy/manuals and the appropriate ICDs/JAFANs/DOD Manuals and other guiding policy documents.
Preferred Qualifications:
- 2+ years of SAP-related experience highly desired.
- 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).
Clearance Requirements:
- Current Top-Secret Clearance with SCI Eligibility.
- Eligibility for access to Special Access Program.
- Information Willingness to submit to a 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.
Trending Searches in Los Angeles, CA
- Full time jobs near me Los Angeles, CA
- Local job openings
- Places hiring near me
- Job vacancies near me
- Network System Administrator jobs near me Los Angeles, CA
- Network System Administrator jobs hiring near me Los Angeles, CA
- Network System Administrator jobs hiring near Los Angeles, CA
- Network System Administrator jobs near Los Angeles, CA
- Network System Administrator jobs near me in Los Angeles, CA
- Network System Administrator jobs in Los Angeles, CA
Top trending job titles hiring now
Popular Searches for Network System Administrator
Other Jobs You May Like
Medical & Business Info Systems Administrator - 136235
Company : UC San Diego
Location : San Diego, CA
Senior System Administrator (MSO)
Company : General Dynamics Information Technology
Location : Livermore, CA
System Administrator (GCP/AWS/Azure, PySpark, BigQuery, and Google Airflow)
Company : Macpower Digital Assets Edge
Location : San Jose, CA
Senior Systems Administrator
Company : CGS Federal (Contact Government Services)
Location : San Francisco, CA
Top searches
- Jobs hiring immediately
- Part time jobs near me
- Full time jobs near me
- Jobs that are hiring near me
- Jobs near me hiring now
- Network System Administrator jobs near me
- Network System Administrator jobs
- Network System Administrator jobs hiring near me
- Network System Administrator openings near me
- Network System Administrator vacancies near me
Employment opportunities at ManTech International
- ManTech International jobs near me Los Angeles, CA
- ManTech International jobs hiring near me Los Angeles, CA
- ManTech International jobs near Los Angeles, CA
- ManTech International jobs hiring near me
- ManTech International openings near me
- ManTech International jobs near me in Los Angeles, CA
- ManTech International jobs hiring in Los Angeles, CA
- Employment opportunities near me
- Job openings near me
- Jobs hiring immediately