Part Time Unix Administrator Jobs in California (NOW HIRING)

iQuasar is seeking to fill an Systems Administrator in San Diego, CA. At iQuasar, we strive to provide the next generation of cutting-edge technologies. Our growth means exciting career opportunities for talented professionals in engineering, software development, and other key areas. We offer competitive compensation and benefits, including Health, Vision, and Dental Insurance, a matching 401 (k) plan, and other benefits given below, excellent training, and a vibrant working environment. Our employees are exceptional, giving us a competitive advantage by innovating solutions with a strong sense of mission and integrity.
One of our clients in San Diego, CA, needs a System Admin for a full-time position.
Position: Linux System Admin
Location: San Diego, CA
Clearance Level: Secret
Job Type: Part Time (up to $25 hours/week)
JOB DESCRIPTION:
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.
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

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

DESIRED:

• 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).

EDUCATION:

• Bachelor's degree in electrical engineering, Computer Engineering, Computer Science, Information Technology, or a related quantitative fie

If you are interested in this position, please send me a copy of your latest resume at with the information requested below: Also, please let me know what time/number is best to call to discuss this great opportunity. In case you are not interested in this position, or this is not a right fit for you, please feel free to share this opportunity with your friends/networks or anyone you know who may be interested in this position.
Thank you!
• Availability to start a new job
• Best Rates
• Contact #
Please don't hesitate to contact me for any questions you may have. All employment is decided on the basis of qualifications, merit, and business need.
Regards,
Zain Wani
Senior Recruitment Professional
iQuasar, LLC
Cleared Recruitment | Proposal Development | Technology
Direct: (703) - 349 - 5832
Main: (703) - 962-6001, Ext. 538
www.iQuasar.com
An Equal Opportunity Employer
iQuasar is proud to be an Equal Employment Opportunity Employer. We do not discriminate based on race, religion, color, national origin, political affiliation, sex, sexual orientation, gender identity, age, marital/parental /veteran status, disability, genetic information, membership in an employee organization, retaliation, military service, other non-merit factors, or any other applicable characteristics protected by law.
Flexible work from home options available.
Compensation: $25.00 - $35.00 per hour