IT Systems Administrator
Trabus Technologies•San Diego, CA
•Onsite
About The Position
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.
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
Nice To Haves
- 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)
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.
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What This Job Offers
Job Type
Part-time
Career Level
Mid Level
