Sr. IT Network Engineer- Onsite, Sunnyvale, CA- Secret Clearance
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Before you apply
Salary$107k – $198k
LocationSunnyvale, CA
Work modeon-site
Typefull-time
SenioritySenior
DepartmentEnterprise Business Services
Company size10,000+ people
First seenOct 18, 2026 · 2w ago
Verified live16h ago
At a glanceSummarised by Seekless from the posting.
Active Secret security clearance
Security+ certification or ability to obtain within 60-90 days
Knowledge of general networking principles
Experience with routers, switches, and firewalls
Perform diagnostics and troubleshoot network issues
Design, installation, configuration, and maintenance of Secure Communications LAN, WAN and voice systems
Experience with network monitoring and providing notifications of issues on a daily basis
Determine root causes of network issues and recommend strategies to prevent recurrences
Works well in a team environment
Knowledge of integration of LDAP, DNS, DHCP, Active Directory across network solutions
Knowledge of patching, Firmware, and IOS upgrades
Knowledge of Cisco Call Manager and integration with Skype and VTC solutions
Must be a U.S. Citizen
Skills
Cisco
Juniper
LAN
WAN
Voice systems
LDAP
DNS
DHCP
Active Directory
Cisco Call Manager
Skype
VTC
Benefits
Medical
Dental
Vision
Flexible work arrangements
401(k) match
Paid time off
Holidays
Parental leave
Employee assistance program
Flexible spending accounts
Education assistance
Life insurance
Short term disability
Long term disability
Standard Job Description
This is a critical position in Sunnyvale, CA working directly with our internal and external customers. This position will have the responsibility for installing, configuring and maintaining the Secure Communications LAN, WAN and Voice systems supporting Military Space Lines of Business. Candidates will work closely with team members, vendors and will work with Administrative and End user teams to ensure connectivity of primary and backup networks in support of multiple programs. This position may plan Commercial off-the-shelf (COTS) software and hardware upgrades to meet program milestones and coordinate with functional groups with system upgrades and the integration of new capabilities. After- hours support is periodically required and some non-standard work shifts might be required to support periodic system tests, baseline promotions, and other non-critical mission activities.
Requirements
Candidate must be a U.S. Citizen and have active Secret security clearance and possess a Security+ certification or b able to obtain a Security+ certification within 60 to 90 days of hire. There is no telecommuting available or this position. This position is responsible for, but not limited to:
Responsibilities
•
Servicing multiple government and program users involving design, development installations, maintenance, operations, control, and documentation
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Perform installations and upgrades to Cisco and Juniper operating systems in accordance with established policies, procedures, and agreements
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Participate in customer reviews requiring system impacts or temporary outages
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Participate in customer system testing
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Work closely with System Administration staff to optimize connectivity solutions
Basic Qualifications
Demonstrate a strong working knowledge of network engineering disciplines such as:
•
Active Secret clearance
•
Knowledge of general networking principles
•
Experience with routers, switches, and firewalls
•
Perform diagnostics and troubleshoot network issues
•
Design, installation, configuration, and maintenance of Secure Communications LAN, WAN and voice systems
•
Experience with network monitoring and providing notifications of issues on a daily basis
•
Determine root causes of network issues and recommend strategies to prevent recurrences
•
Works well in a team environment
Desired Skills
•
Knowledge of integration of LDAP, DNS, DHCP, Active Directory across network solutions
•
Knowledge of patching, Firmware, and IOS upgrades
•
Knowledge of Cisco Call Manager and integration with Skype and VTC solutions
Pay Information
Full-Time Salary Range: $106600.00 - $198000.00
Benefits
At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.
Legal
The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.
•
Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
•
For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.