Linux engineer Jobs in Irvine, CA

Payrate: $80.00 - $85.65/hr. Summary: Join a dynamic team responsible for designing, implementing, and maintaining a secure, scalable, and high-availability enterprise network. This role involves leading modernization efforts, supporting public safety systems, and providing expert guidance on network infrastructure. Responsibilities Network Architecture & Design Design and maintain enterprise network leveraging Cisco technologies. Develop network segmentation, VLAN strategies, and routing topologies (OSPF, BGP, EIGRP). Plan and implement architecture for remote site connectivity, mobile units, data centers, and public safety systems. Lead modernization efforts including SD-WAN, wireless upgrades, and zero-trust network access. Implementation, Operations & Support Serve as the hands-on lead engineer for network deployment, upgrades, and incident response. Configure and manage Cisco switches, routers, firewalls, WLCs, and wireless endpoints. Act as the Level 4 escalation point for complex network issues and performance tuning. Design and implement VPNs, QoS, ACLs, network monitoring, and logging systems. Support the network team in operation, network design roadmap, and developing network processes and procedures documents. SME Leadership & Staff Development Serve as the department’s Subject Matter Expert (SME) on enterprise networking. Train, coach, and mentor internal IT staff. Create SOPs, how-to guides, and step-by-step documentation for internal staff. Support staff in preparation for certification paths. Qualifications 10 years of enterprise network security and engineering experience. Extensive experience with Cisco-based network environments. Deep understanding of public safety network requirements, including QoS for voice/video systems. Experience training or mentoring technical teams in enterprise environments. Strong documentation and communication skills. Desired Skills Prior experience working in law enforcement, government, or public safety IT environments. Familiarity with CJIS, NIST, FedRAMP, or state compliance frameworks. Certifications (preferred): Cisco Certified Network Professional (CCNP) – Required Cisco Certified Internetwork Expert (CCIE) – Security Preferred Cisco Certified Specialist – Security or Wireless – Bonus CISSP, Fortinet NSE, Aruba, or other relevant credentials – Bonus Pay Transparency: The typical base pay for this role across the U.S. is: $80.00 - $85.65 /hour. Non-exempt positions are eligible for overtime at a rate of 1.5 times the base hourly rate for all hours worked in excess of 40 in a work week, or as required by state or local law. Final offer amounts, within the base pay set forth above, are determined by factors including your relevant skills, education and experience. Full-time employees are eligible to select from different benefits packages. Packages may include medical, dental, and vision benefits, health savings accounts with qualified medical plan enrollment, 10 paid days off, 3 days paid bereavement leave, 401(k) plan participation with employer match, life and disability insurance, commuter benefits, dependent care flexible spending account, accident insurance, critical illness insurance, hospital indemnity insurance, accommodations and reimbursement for work travel, and discretionary performance or recognition bonus. Sick leave and mobile phone reimbursement provided based on state or local law. Consent to Communication and Use of AI Technology: By submitting your application for this position and providing your email address(es) and/or phone number(s), you consent to receive text (SMS), email, and/or voice communication whether automated (including auto telephone dialing systems or automatic text messaging systems), pre-recorded, AI-assisted, or individually initiated from Aditi Consulting, our agents, representatives, or affiliates at the phone number and/or email address you have provided. These communications may include information about potential opportunities and information. Message and data rates may apply. Message frequency may vary. You represent and warrant that the email address(es) and/or telephone number(s) you provided to us belong to you and that you are permitted to receive calls, text (SMS) messages, and/or emails at these contacts. You also acknowledge and agree to Aditi Consulting LLC’s use of AI technology during the sourcing process, including calls from an AI Voice Recruiter. AI is used solely to gather data and does not replace human-based decision-making in employment decisions. Calls may be recorded. Consent is not a condition of purchasing any property, goods, or services. You may revoke your consent at any time by replying “STOP” to messages or by contacting privacy@aditiconsulting.com . For information about our collection, use, and disclosure of applicant's personal information as well as applicants' rights over their personal information, please see our Privacy Policy . #AditiConsulting # 26 - 02228