Systems / Network / Security Administrator

Alpha Omega Computer & Network Services, Inc

Systems / Network / Security Administrator

Huntington Beach, CA
Full Time
Paid
  • Responsibilities

    Benefits:

    Birthday Holiday

    401(k)

    Company parties

    Dental insurance

    Free food & snacks

    Health insurance

    Opportunity for advancement

    Paid time off

    Training & development

    Job Summary:

    We are seeking a certified Systems/Network Administrator with strong cybersecurity expertise to join our mission-driven team and support our MSSP growth initiative to $10 million, focusing on the expansion into Defense Industrial Base (DIB) and CMMC compliance services market. At our company, we value being Happy, Hungry, Humble, and Honest—core behaviors that drive our team culture. We are committed to serving each other, our clients, and our community through charitable outreach initiatives.

    In this role, you will manage all aspects of client infrastructure, ensuring reliability, security, and efficiency. You'll handle proactive assessments, optimizations, and resolve high-level technical and cybersecurity issues, aligning client needs with the latest technology and security solutions to their compliance needs. Join us to grow your career and make a difference!

    (This position will require onsite client visits)

    Responsibilities:

    Manage all aspects of client infrastructure, including monitoring, troubleshooting, and resolving high-level technical and security issues.

    Provide proactive infrastructure assessments and optimization to align client businesses with the latest technology and improve efficiency and security.

    Perform security assessments, vulnerability management, and implement remediation plans to enhance client security posture. (e.g., SSP, POAM).

    Perform technical analysis and alignment with established best practices, including security frameworks (e.g., NIST, CMMC).

    Develop and enforce cybersecurity policies, procedures, and practices for client environments, ensuring compliance with industry standards and regulatory requirements (e.g., NIST, CMMC).

    Write technical documentation for existing and future clients, including network and security configurations.

    Provide scheduled and reactive onsite support for client locations, including high-tier technical support for complex issues and cybersecurity incidents.

    Conduct scheduled visits to maintain client relationships, perform assessments, proactive maintenance, security reviews, and resolve issues.

    Participate in after-hours and weekend support for 24x7 clients (monthly on-call rotation).

    Required Qualifications:

    5-10 years hands-on work experience as a Systems Administrator, with demonstrated experience in cybersecurity practices.

    Extensive experience with Hyper-V and VMWare hypervisors, including deployment, advanced troubleshooting, and management.

    Experience with Microsoft Server OS in an enterprise environment, including management, implementations into dynamic environments with various roles, migrations, group policy creation/management, and high-level troubleshooting.

    Experience managing backups in an enterprise environment, including local configuration from scratch, managing retention, consolidation, verification, offsite replication, and experience restoring production server backups.

    Experience with enterprise email solutions such as Exchange, Office 365, and G Suite, including migrations, maintenance, and high-level troubleshooting.

    Experience with cybersecurity tools and technologies, including firewalls, antivirus/antimalware, SIEM, and vulnerability management solutions.

    Ability to plan, configure, and deploy a high-availability infrastructure with security best practices in mind.

    Strong knowledge of networking concepts, including VPNs, VLANs, firewalls, and general networking troubleshooting.

    Strong communication skills and the ability to interact with a wide range of clientele.

    Certification requirements, including maintaining CEUs to stay on top of the latest technology and security best practices (e.g., CASP, CISSP).

    Ability to develop and implement project plans, risk assessments, and contingency plans.

    Organizational skills to manage and complete projects of varying length.

    Ability to lift 50-100 pounds.

    Valid driver's license and clean driving record required, reliable transportation.