Senior Network Administrator
ATA Engineering
- San Diego, California, United States
- San Diego, California, United States
About
LOCATION: Essential Duties and Responsibilities:
Design, configure, maintain, and troubleshoot WAN circuits, routers, and related connectivity
Manage Fortinet firewall policies, security rules, and firmware updates
Administer site‑to‑site and remote‑access VPN solutions for secure connectivity
Oversee installation, configuration, maintenance, and troubleshooting of telephone systems (VoIP, SIP trunks, and related endpoints)
Monitor network performance, firewall health, VPN tunnels, and telephony quality; respond to alerts and resolve issues proactively
Create and update network and telephony documentation, diagrams, and standard operating procedures
Respond to and resolve support tickets related to WAN, firewalls, VPN, and telephony in a ticketing system (OS Ticket)
Collaborate with team members on projects such as network upgrades, migrations, security audits, and new site deployments
Perform routine maintenance, patching, and backups for managed systems
Supervise and mentor Network Administrators
Requirements:
Must be a U.S. Person as defined by 22 C.F.R. §120.15
Bachelor’s or master’s degree in Information Technology, Computer Science, or a related field from an accredited college/university with an excellent academic record
Minimum of 5 years of hands‑on experience in WAN, firewall, VPN, and/or telephony administration
Strong proficiency with Fortinet firewalls (FortiGate), including policy management, VPN setup, and troubleshooting
Experience with WAN technologies and negotiating contracts with ISPs
Solid knowledge of VoIP/telephony systems; knowledge of FreePBX is a plus
Familiarity with Windows server administration, RHEL Linux, and VMware vSphere/ESXi environments
Willingness and ability to efficiently answer and resolve end‑user and infrastructure support tickets
Understanding of networking fundamentals (TCP/IP, routing, switching, DNS, DHCP)
Excellent written and verbal communication skills
Preferred Skills:
Certifications such as Fortinet NSE4/5/6/7, CCNA/CCNP, or an equivalent
Certifications such as CISSP/CASP/CISM
Experience with Fortinet ecosystem tools (FortiClient EMS, FortiAuthenticator, FortiAnalyzer)
Knowledge of network monitoring tools
Experience with compliance to CMMC/NIST800-171
Salary Range:
Experienced Professionals and Managers: $90,000–$175,000 per year
HOW TO APPLY We appreciate your interest in ATA Engineering and request that you submit the following materials if you are qualified and wish to join our team of employee‑owners at ATA Engineering:
A copy of your up‑to‑date college transcripts. You may email them, or request that an official transcript be sent directly to the address below. If your transcript contains identifying information such as Social Security Number and/or date of birth, please delete this information prior to submitting your transcripts.
A statement confirming that you meet the definition of a US Person as defined by 22 C.F.R. §120.15.
Please note: We prefer electronic copies of all documents, but you may also mail them to the address below if necessary. Many of our contracts require access to government, defense, and classified information. We cannot consider your application unless you are a US Person. Once we have reviewed your qualifications, you will be contacted by email regarding the status of your application.
ATA Engineering, Inc., is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran status, or any other characteristic protected by applicable federal, state, or local law.
If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access our career center as a result of your disability. To request an accommodation, contact an ATA Engineering, Inc., Human Resources Representative at careers@ata-e.com.
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Languages
- English
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