System Admin
IQUASAR LLC•San Diego, CA
•$25 - $35•Hybrid
About The Position
iQuasar 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. This is a part-time position, up to 25 hours per week, for a client in San Diego, CA.
Requirements
- Well-versed in Windows, Linux and MacOS.
- 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 standard
- 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
Benefits
- Health, Vision, and Dental Insurance
- Matching 401 (k) plan
- Flexible work from home options available
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What This Job Offers
Job Type
Part-time
Career Level
Mid Level
Education Level
Associate degree
