Job Description – Network Systems Engineer

Location: Onsite – Ventura County, CA
Clearance: Active DoD Secret clearance required (T5 preferred)
Citizenship: U.S. Citizenship required
Employment Type: Direct Hire | Full-Time | Fully Funded
Salary Range: $105,000 – $125,000 annually (based on experience)

About the Role

LHH Technology is seeking a Network Systems Engineer to support a high-impact, federally funded program based in Ventura County, CA. This position plays a critical role in maintaining secure, mission-critical IT infrastructure supporting Department of Defense (DoD) operations. The ideal candidate will be experienced in systems and network administration, cybersecurity practices, and infrastructure optimization in classified environments.

Key Responsibilities

• Install, configure, and manage LAN/WAN systems, servers, and virtual infrastructure (VMware/Hyper-V)

• Administer Windows and Linux operating systems, Active Directory, Group Policy, and authentication services

• Monitor system performance, availability, and logs; implement patches and security updates

• Configure and maintain routers, switches, firewalls, and VPN solutions in a secure environment

• Ensure system integrity through routine backups, disaster recovery planning, and incident response

• Implement cybersecurity controls and maintain compliance with DoD security protocols

• Support light software testing and scripting tasks using Cypress, Jest, or related tools

• Maintain comprehensive documentation and collaborate across cross-functional teams

Required Qualifications

• 3–10 years of experience in system administration, network engineering, or infrastructure support

• Proficiency with Windows Server, Linux, and virtualization technologies

• Strong understanding of networking fundamentals, including TCP/IP, VLANs, firewalls, and routing protocols

• Experience with DoD cybersecurity requirements, PKI infrastructure, and SSL certificate management

• Skilled in backup and recovery solutions, patch management, and performance tuning

• Ability to work independently in a secure, onsite classified environment

• Strong communication and problem-solving skills

Preferred Qualifications

• Experience supporting military or government IT systems

• Familiarity with SIEM tools, endpoint protection (e.g., CrowdStrike, SentinelOne), and vulnerability scanning tools

• Exposure to Kubernetes or containerized environments

• DoD 8570 compliant certifications (e.g., Security+, Network+, Linux+, CEH)

• Tier 2/3 Help Desk experience and familiarity with service ticketing systems

Education Requirements

• Bachelor’s degree in Computer Science, Information Technology, or a related field
  Substitution Option: An additional 6 years of experience may substitute for a bachelor’s degree; 4 years with an associate degree

Clearance & Work Authorization

• Clearance: Active DoD Secret clearance required (T5 preferred)

• Eligibility: U.S. Citizenship required due to federal contract requirements

Benefits (via LHH Technology)

Time Off:

• 10+ Paid Holidays annually

• PTO starting Day 1 with increasing accrual rates

• Military, bereavement, and jury duty leave included

Insurance:

• PPO Medical (majority employer-paid), Dental, Vision

• Company-paid Life and AD&D Insurance

• Long-Term Disability (paid by employer); Short-Term Disability available

• Optional Critical Illness and Accident Insurance

Retirement & Financial:

• 401(k) with up to 5% company match (immediate vesting)

• Flexible Spending Accounts (FSA) for healthcare and dependent care

Support & Wellness:

• Employee Assistance Program (EAP) for legal, financial, and counseling support

• Identity theft protection services

• Certification and continuing education reimbursement

About LHH Technology

LHH Technology connects top technical talent with impactful roles across government, defense, and private sector clients. With deep expertise in IT recruitment and workforce solutions, we support professionals through every stage of their career while helping our clients meet mission-critical needs. Our Ventura County presence offers stability, access to advanced projects, and a collaborative work culture.

Equal 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