IT Systems Administrator - PT

IT Systems Administrator
San Diego, California • Government/Military

Position: Systems Administrator

Job Type: Part Time (up to 25 hours/week)

Location: San Diego, CA

Salary Range: Based on experience

Clearance: Active DoD Secret Clearance


Trabus Technologies (TRABUS) is a minority-owned, service-disabled veteran-owned small business (SDVOSB) headquartered in San Diego, California. Since 2010, TRABUS has delivered cutting-edge solutions in wireless technologies, cybersecurity, and artificial intelligence to federal and private sector clients.


We are proud to have been recognized by Inc. 5000 as one of the fastest-growing private companies in the U.S. for seven consecutive years. At TRABUS, innovation and mission success are at the heart of what we do.



SUMMARY:
TRABUS is seeking an experienced Information Systems Administrator (SysAdmin) to assist in the design, implementation, maintenance, and support of the corporate network infrastructure in a mission-critical environment. The successful candidate will have a strong foundation in secure network architecture, system integration, Windows/MacOS/Linux administration, and familiarity with Cybersecurity Maturity Model Certification (CMMC) cybersecurity frameworks.



RESPONSIBILITIES:

• Help and assists in configuring and installing various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN, QoS)
• Assist in performing network maintenance and system upgrades including service packs, patches, hot fixes, and security configurations
• Assist in the monitoring of network performance and health, ensuring continuous system uptime and reliability
• Track overall system resource utilization, trending, and capacity planning using logging and analytical tools such as Intune and Grafana.
• Provide Level 2/3 support and troubleshooting for network issues
• Perform routine updates and configuration cycles for Windows 11/Server 2016/2019, Ubuntu and other LINUX distributions, as well as MacOS systems
• Help to administer and support Windows Active Directory, Azure Active Directory, and Office 365 environments
• Configure and manage VPNs (specifically WireGuard VPN) and establish isolated network and safe computing environments
• Ensure compliance with configuration and change management processes
• Help to implement and support CMMC compliance practices, including documentation, secure access control, and logging of system data and policies.
• Work collaboratively with security personnel and vendors for problem resolution and implementation of cybersecurity best practices
• Work closely with development teams and platform engineers in deploying robust, and CMMC compliant, network environments that facilitates efficient software development work.

REQUIREMENTS:

• Well-versed in Windows, Linux and MacOS.

• Bachelor's degree in electrical engineering, Computer Engineering, Computer Science, Information Technology, or a related quantitative field
• 6+ years of experience with an Associate's degree and DoDInst. 8570 IAT Level 2 in lieu of a bachelor's degree; or 8+ years of experience and DoDInst. 8570 IAM Level 2 in lieu of a bachelor's degree; or 4+ years of experience with a master's degree in information systems, Computer Science or similar computing focused engineering.
• 3-4 years of experience managing secure network environments and infrastructure
• Deep understanding of networking protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS, SSH), VPNs and Firewalls
• Proficient in both cloud and on-premises environments and establishing a strong software development focused environment at TRABUS
• Solid understanding of OSI or TCP/IP models and software-defined networking with Access Control Policies.
• Proficiency in managing Windows, MacOS and LINUX-based systems
• Experience supporting federal systems and complying with federal cybersecurity standards
• Familiarity with CMMC Level 2+ controls and implementation practices
• Experience with network monitoring and diagnostic tools

DESIRED QUALIFICATIONS:

• 8+ years of experience handling secure networks and infrastructure
• Security+ or equivalent DoDInst. 8570 IAT Level II certification
• Advanced LINUX/Unix-based system administration and security hardening experience
• Clearance: Active Top Secret or Top Secret Eligible (SCI eligibility preferred)