Network Systems Engineer
Rancho Cucamonga, California
Permanent
$110,000.00 - $150,000.00 per Year
Network Systems Engineer Location: Onsite in Rancho Cucamonga, CA Schedule: Monday–Friday, 6:30 AM – 3:30 PM (Saturday availability required for major projects) Employment Type: Full-Time
About the Opportunity
LHH Technology is seeking a talented Network Systems Engineer to join a close-knit, high-performing IT team supporting enterprise infrastructure operations. If you are passionate about hands-on network design, implementation, and security—and thrive in a fast-paced, collaborative setting—this is an opportunity to make a meaningful impact.
Key Responsibilities Network Design & Architecture
Design and deploy enterprise-grade network infrastructure
Define scalable architecture standards to support long-term growth
Research and evaluate emerging technologies for performance/security gains
Network Administration
Manage routers, switches, VPNs, and firewalls
Oversee day-to-day network performance and availability
Lead capacity planning and coordinate upgrades
Network Security
Develop and implement security protocols and controls
Conduct audits and vulnerability assessments
Respond to incidents and lead post-mortem/root cause analysis
Troubleshooting & Tier III Support
Resolve advanced technical issues affecting critical systems
Partner with business units and external vendors for support escalations
Ensure minimal downtime across infrastructure
Documentation & Reporting
Maintain updated documentation and network diagrams
Create system performance and capacity reports
Mentorship & Collaboration
Mentor junior engineers and IT support staff
Align IT initiatives with strategic business goals
Contribute to cross-functional infrastructure planning
Qualifications
Bachelor's degree in Computer Science, Information Technology, or related field
Minimum 5 years of experience in network systems or administration
Strong Cisco experience (Nexus, Meraki)
Fortinet firewall experience required
Active Directory: capable of building from scratch
ERP experience strongly preferred (SAGE 100 ideal)
Preferred certifications: CCNP, Fortinet NSE, CompTIA Network+
Familiar with SolarWinds, Wireshark, and cloud platforms (AWS/Azure a plus)
Strong written and verbal communication skills
Bonus: Autodesk Vault/Inventor knowledge
Compensation & Benefits
Salary: $110,000 – $150,000 (DOE)
Benefits: Medical, Dental, Vision, Voluntary Benefits, and 401(k) with Company Match
Work Modality: Onsite (Rancho Cucamonga, CA)
Interview Process: 2 Steps Apply Today
If you're a proactive engineer ready to take ownership of a network environment and contribute to a stable, growing team—LHH Technology wants to hear from you. Submit your resume to Loren.Trugerro@LHH.com
Pay Details: $110,000.00 to $150,000.00 per year Search managed by: Loren TrugerroEqual Opportunity Employer/Veterans/Disabled
To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://www.lhh.com/us/en/candidate-privacy
The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:
- The California Fair Chance Act
- Los Angeles City Fair Chance Ordinance
- Los Angeles County Fair Chance Ordinance for Employers
- San Francisco Fair Chance Ordinance
Network Systems Engineer
LHH
9 days ago
$110,000.00 - $150,000.00 per Year
Permanent
Rancho Cucamonga, California
Network Systems Engineer Location: Onsite in Rancho Cucamonga, CA Schedule: Monday–Friday, 6:30 AM – 3:30 PM (Saturday availability required for major projects) Employment Type: Full-Time
About the Opportunity
LHH Technology is seeking a talented Network Systems Engineer to join a close-knit, high-performing IT team supporting enterprise infrastructure operations. If you are passionate about hands-on network design, implementation, and security—and thrive in a fast-paced, collaborative setting—this is an opportunity to make a meaningful impact.
Key Responsibilities Network Design & Architecture
Design and deploy enterprise-grade network infrastructure
Define scalable architecture standards to support long-term growth
Research and evaluate emerging technologies for performance/security gains
Network Administration
Manage routers, switches, VPNs, and firewalls
Oversee day-to-day network performance and availability
Lead capacity planning and coordinate upgrades
Network Security
Develop and implement security protocols and controls
Conduct audits and vulnerability assessments
Respond to incidents and lead post-mortem/root cause analysis
Troubleshooting & Tier III Support
Resolve advanced technical issues affecting critical systems
Partner with business units and external vendors for support escalations
Ensure minimal downtime across infrastructure
Documentation & Reporting
Maintain updated documentation and network diagrams
Create system performance and capacity reports
Mentorship & Collaboration
Mentor junior engineers and IT support staff
Align IT initiatives with strategic business goals
Contribute to cross-functional infrastructure planning
Qualifications
Bachelor's degree in Computer Science, Information Technology, or related field
Minimum 5 years of experience in network systems or administration
Strong Cisco experience (Nexus, Meraki)
Fortinet firewall experience required
Active Directory: capable of building from scratch
ERP experience strongly preferred (SAGE 100 ideal)
Preferred certifications: CCNP, Fortinet NSE, CompTIA Network+
Familiar with SolarWinds, Wireshark, and cloud platforms (AWS/Azure a plus)
Strong written and verbal communication skills
Bonus: Autodesk Vault/Inventor knowledge
Compensation & Benefits
Salary: $110,000 – $150,000 (DOE)
Benefits: Medical, Dental, Vision, Voluntary Benefits, and 401(k) with Company Match
Work Modality: Onsite (Rancho Cucamonga, CA)
Interview Process: 2 Steps Apply Today
If you're a proactive engineer ready to take ownership of a network environment and contribute to a stable, growing team—LHH Technology wants to hear from you. Submit your resume to Loren.Trugerro@LHH.com
Pay Details: $110,000.00 to $150,000.00 per year Search managed by: Loren TrugerroEqual Opportunity Employer/Veterans/Disabled
To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://www.lhh.com/us/en/candidate-privacy
The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:
- The California Fair Chance Act
- Los Angeles City Fair Chance Ordinance
- Los Angeles County Fair Chance Ordinance for Employers
- San Francisco Fair Chance Ordinance