Senior Network Engineer at RJM Technologies

Our client is seeking a Senior Network Engineer for a 6-month contract position based in El Monte, CA. This role requires working onsite at least four days per week. The position involves managing and optimizing Cisco-based network infrastructure, collaborating with MSPs, and maintaining secure, high-performing systems. Immediate availability is preferred.

Note: At this time we are unable to consider third-party candidates or those requiring sponsorship. US citizenship is required.

What You’ll Do

• Operate, optimize, and troubleshoot Cisco networks (routing, switching, wireless, firewalls, VPN).
• Contribute to network architecture, design, standards, and documentation.
• Partner with managed service providers (MSPs) for escalations, monitoring, and change management.
• Source, purchase, rack/stack, and configure network and security hardware.
• Implement hardening, patching, and incident response best practices.
• Integrate and administer Microsoft Intune and Defender; monitor Darktrace alerts and tune policies.
  
  
  

What You’ll Bring

• 10+ years of experience in enterprise networking with strong Cisco expertise.
• Proven experience with deployments, upgrades, and lifecycle management.
• Strong understanding of network security fundamentals, including segmentation, IDS/IPS, NAC, and zero-trust concepts.
• Working knowledge of Microsoft Intune, Microsoft Defender, and Darktrace.
• Excellent documentation skills, ownership mindset, and cross-team communication abilities.
  
  
  

Bonus Points For

• CCNP or equivalent certification.
• Experience with Azure networking, SD-WAN, and Meraki.