Sigma Defense Systems LLC
1520 - Network Engineer I - III
Sigma Defense Systems LLC, San Diego, California, United States, 92189
Sigma Defense is seeking a
Network Engineer I-III
to support the design, implementation, and sustainment of the Navy’s enterprise networks. The hired candidate will design, configure, secure, automate, and document high‑availability networks in both shipboard and lab environments while supporting the full lifecycle from installation through sustainment. This includes work on DoD initiatives such as SD‑WAN, IPv6 migration, Zero‑Trust networks, and cross‑domain network solutions. The role collaborates with SMEs in cybersecurity, systems management, engineering, and quality assurance to learn needs, goals, and shape network requirements.
Equal Opportunity Employer : Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
Requirements Network Engineer I
0-2 Years of Experience
Knowledge of Network Access Control (Cisco ISE, Aruba ClearPass, FortiNAC, Forescout)
Knowledge of Next‑Gen Firewalls (Cisco Firepower, Palo Alto, Zscaler)
Knowledge of Network Devices such as Switches, Routers, Wireless Controllers/APs, Proxy Servers, VOIP, and NTP services
Knowledge of deployment automation tools (Ansible, Python, PowerShell)
Knowledge of delivering network artifacts such as IP plans, network templates, cable tables, network diagrams, ports/protocols documentation, and configuration guides
Security+ or CISSP and at least one industry certification (CCNA/DevNet Associate)
Must be a U.S. Citizen
Network Engineer II
3+ Years of Experience
Experience with Network Access Control (Cisco ISE, Aruba ClearPass, FortiNAC, Forescout)
Experience with Next‑Gen Firewalls (Cisco Firepower, Palo Alto, Zscaler)
Experience with Network Devices such as Switches, Routers, Wireless Controllers/APs, Proxy Servers, VOIP, and NTP services
Experience with deployment automation tools (Ansible, Python, PowerShell) Experience with delivering network artifacts such as IP plans, network templates, cable tables, network diagrams, ports/protocols documentation, and configuration guides
Security+ or CISSP and at least one industry certification (CCNA/DevNet Associate)
Must be a U.S. Citizen
Network Engineer III
7+ Years of Experience
Expertise with Network Access Control (Cisco ISE, Aruba ClearPass, FortiNAC, Forescout)
Expertise with Next‑Gen Firewalls (Cisco Firepower, Palo Alto, Zscaler)
Expertise with Network Devices such as Switches, Routers, Wireless Controllers/APs, Proxy Servers, VOIP, and NTP services
Expertise with deployment automation tools (Ansible, Python, PowerShell)
Expertise with delivering network artifacts such as IP plans, network templates, cable tables, network diagrams, ports/protocols documentation, and configuration guides
Security+ or CISSP and at least one industry certification (CCNP/DevNet Professional)
Must be a U.S. Citizen
Computer Software/Programs
Network Access Control
Switching/Routing
Firewall
Deployment Automation
Personnel Clearance Level
Candidate must possess or have the ability to obtain an active Secret security clearance or higher
Clearance will be sponsored for the right candidate
Education Requirements
Bachelor’s or Technical Degree from an accredited college or university in an unspecified field of study
Essential Job Duties (not all-inclusive)
Configure, install, and maintain network equipment, software and services across the Navy Enterprise Network architecture to include switching, routing, firewall, proxy, wireless, call managers, network access control, voice over IP, and network time services
Design, develop, implement, and troubleshoot VLANs, routing protocols, IP addressing plans, and WAN connectivity
Integrate external services including a wide variety of connected systems
Apply and validate network‑related STIGs in coordination with cybersecurity personnel to ensure compliance with DoD security standards
Create, maintain, and update installation documentation, network diagrams, IP schemas, port mappings, and script/configurations for automated installations
Conduct diagnostics and fault isolation during official and unofficial test events as well as production installations
Collaborate with systems, software, and cybersecurity engineers to deliver secure and resilient network operations
Participate in shipboard testing, validation, and documentation
Salary Ranges
Network Engineer I: $75,000 - $100,000 annually
Network Engineer II: $85,000 - $115,000 annually
Network Engineer III: $120,000 - $150,000 annually
Benefits
Dental and Vision Insurance
Medical Insurance to Include HSA, FSA, and DFSA Plans
Life and AD&D coverage
Employee Assistance Program (EAP)
401(k) Plan with Company Matching Contributions
160 Hours of Paid Time Off (PTO)
12 (Floating) Holidays
Educational Assistance
Highly Competitive Salary
#J-18808-Ljbffr
Network Engineer I-III
to support the design, implementation, and sustainment of the Navy’s enterprise networks. The hired candidate will design, configure, secure, automate, and document high‑availability networks in both shipboard and lab environments while supporting the full lifecycle from installation through sustainment. This includes work on DoD initiatives such as SD‑WAN, IPv6 migration, Zero‑Trust networks, and cross‑domain network solutions. The role collaborates with SMEs in cybersecurity, systems management, engineering, and quality assurance to learn needs, goals, and shape network requirements.
Equal Opportunity Employer : Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
Requirements Network Engineer I
0-2 Years of Experience
Knowledge of Network Access Control (Cisco ISE, Aruba ClearPass, FortiNAC, Forescout)
Knowledge of Next‑Gen Firewalls (Cisco Firepower, Palo Alto, Zscaler)
Knowledge of Network Devices such as Switches, Routers, Wireless Controllers/APs, Proxy Servers, VOIP, and NTP services
Knowledge of deployment automation tools (Ansible, Python, PowerShell)
Knowledge of delivering network artifacts such as IP plans, network templates, cable tables, network diagrams, ports/protocols documentation, and configuration guides
Security+ or CISSP and at least one industry certification (CCNA/DevNet Associate)
Must be a U.S. Citizen
Network Engineer II
3+ Years of Experience
Experience with Network Access Control (Cisco ISE, Aruba ClearPass, FortiNAC, Forescout)
Experience with Next‑Gen Firewalls (Cisco Firepower, Palo Alto, Zscaler)
Experience with Network Devices such as Switches, Routers, Wireless Controllers/APs, Proxy Servers, VOIP, and NTP services
Experience with deployment automation tools (Ansible, Python, PowerShell) Experience with delivering network artifacts such as IP plans, network templates, cable tables, network diagrams, ports/protocols documentation, and configuration guides
Security+ or CISSP and at least one industry certification (CCNA/DevNet Associate)
Must be a U.S. Citizen
Network Engineer III
7+ Years of Experience
Expertise with Network Access Control (Cisco ISE, Aruba ClearPass, FortiNAC, Forescout)
Expertise with Next‑Gen Firewalls (Cisco Firepower, Palo Alto, Zscaler)
Expertise with Network Devices such as Switches, Routers, Wireless Controllers/APs, Proxy Servers, VOIP, and NTP services
Expertise with deployment automation tools (Ansible, Python, PowerShell)
Expertise with delivering network artifacts such as IP plans, network templates, cable tables, network diagrams, ports/protocols documentation, and configuration guides
Security+ or CISSP and at least one industry certification (CCNP/DevNet Professional)
Must be a U.S. Citizen
Computer Software/Programs
Network Access Control
Switching/Routing
Firewall
Deployment Automation
Personnel Clearance Level
Candidate must possess or have the ability to obtain an active Secret security clearance or higher
Clearance will be sponsored for the right candidate
Education Requirements
Bachelor’s or Technical Degree from an accredited college or university in an unspecified field of study
Essential Job Duties (not all-inclusive)
Configure, install, and maintain network equipment, software and services across the Navy Enterprise Network architecture to include switching, routing, firewall, proxy, wireless, call managers, network access control, voice over IP, and network time services
Design, develop, implement, and troubleshoot VLANs, routing protocols, IP addressing plans, and WAN connectivity
Integrate external services including a wide variety of connected systems
Apply and validate network‑related STIGs in coordination with cybersecurity personnel to ensure compliance with DoD security standards
Create, maintain, and update installation documentation, network diagrams, IP schemas, port mappings, and script/configurations for automated installations
Conduct diagnostics and fault isolation during official and unofficial test events as well as production installations
Collaborate with systems, software, and cybersecurity engineers to deliver secure and resilient network operations
Participate in shipboard testing, validation, and documentation
Salary Ranges
Network Engineer I: $75,000 - $100,000 annually
Network Engineer II: $85,000 - $115,000 annually
Network Engineer III: $120,000 - $150,000 annually
Benefits
Dental and Vision Insurance
Medical Insurance to Include HSA, FSA, and DFSA Plans
Life and AD&D coverage
Employee Assistance Program (EAP)
401(k) Plan with Company Matching Contributions
160 Hours of Paid Time Off (PTO)
12 (Floating) Holidays
Educational Assistance
Highly Competitive Salary
#J-18808-Ljbffr