Network and Computer Systems Administrator T5 / TS

Job Description

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 teamsRequired 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 skillsPreferred 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 systemsEducation 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 degreeClearance & Work Authorization

Clearance: Active DoD Secret clearance required (T5 preferred)

Eligibility: U.S. Citizenship required due to federal contract requirementsBenefits (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 reimbursementAbout 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.

Pay Details: $105,000.00 to $125,000.00 per year

Search managed by: Loren Trugerro

Equal Opportunity Employer/Veterans/Disabled

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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

Full-time