Senior Network Engineer

IP Secure, LLC; San Antonio (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

IP Secure, LLC seeks a Senior Network Engineer with TS/SCI clearance to support DoD and Air Force integration lab environments in San Antonio, TX onsite. You will design, implement, and troubleshoot complex network infrastructures, working with Cisco routers, switches, firewalls, and CAS/COTS lifecycles.

The role demands deep knowledge of OSI/TCP/IP, routing protocols, and monitoring tools, with a focus on secure, reliable communication in mission-critical operations.

Qualifications

• Bachelor’s or Master’s Degree in Computer Science, IT, Engineering, or related field.
• 10 years of relevant network engineering and large system architecture experience.
• Active TS/SCI clearance required.
• DoD 8570.01-M IAT Level II certification (e.g., Security CE).
• CCNA or CCNA-Security certification is desirable.

Responsibilities

• Configure and install routers, switches, IP addresses, VLANs, MPLS, VPN, and QoS.
• Maintain LAN/WAN design, protocols, and routing for large systems.
• Troubleshoot SD-WAN, Cisco devices, Riverbed bandwidth optimizers, and network issues.
• Monitor network performance and ensure system availability and reliability.
• Support DoD and Air Force lab environments and secure communications.
• Collaborate with vendors and IT staff for problem resolution and deployments.

Skills

Network design

Troubleshooting

Independent worker

Education

Bachelor’s or Master’s Degree in CS/IT/Engineering

Tools

ServiceNow

CAS tools

COTS lifecycle

Job description

Senior Network Engineer — TS/SCI Required — San Antonio, TX onsite

Job Description

We are seeking a highly skilled Senior Network Engineer with a deep understanding of large system architecture to support mission-critical operations. This position requires a technical expert with a proven background in operating system (OS), Cisco devices (Router, Firewall, Switch), Commercial Automation Software (CAS), and Commercial Off-The-Shelf (COTS) product lifecycles. The ideal candidate will be experienced in secure communications, large-scale infrastructure planning, and Department of Defense (DoD) environments and Air Force integration lab environments.

Responsibilities

• Configure and Install various network devices and services ( Routers, Switches, IP addresses, VLANs, routing protocols, MPLS, VPN, QOS)

• Proven experience in a network administrator roles

• Excellent knowledge and troubleshooting skills on SD WAN, LAN segmentation, Cisco Switches, Cisco Wireless Access Points, Cisco Wireless Controllers, Cisco Routers, and Riverbed Bandwidth Optimizers

• Maintain design of LAN/WAN including protocols and routing

• Proven hands-on experience in networking, routing, and switching

• Solid understanding of network operating systems (Cisco IOS)

• Sharp troubleshooting skills

• Ability to work independently

• Deep understanding of Networking protocols ( IPSEC, HSRP, BGP, OSPF)

• Solid understanding of the OSI or TCP/IP Model

• Hands-on experience with Monitoring network diagnostic and network analytics tools

• Excellent Written and Verbal Communication

• Stay up to date with the latest networking technologies and best practices

• Monitoring all active network equipment, ensuring seamless operations, system availability, and reliability

• Responsibilities for a Network Engineer include but are not limited to: configuration and management of Cisco switches and routers, firewalls, and support to system administration team in deployment at new sites

• Design, build, test, and troubleshoot a complex network

• Troubleshooting and resolving network issues, implementing security measures, and proactively optimizing network performance

• Performing network maintenance and system upgrades including service packs, patches hot fixes, and security configurations

• Configure and Install various network devices and services ( Routers, Switches, IP addresses, VLANs, routing protocols, MPLS, VPN, QOS)

• Monitor system resource utilization, trending, and capacity planning

• Engineer Level support and troubleshooting to resolve issues.( This includes diagnosing network problems, analyzing network logs, and implementing solutions and resolve network issues)

• Work within established configuration and change Management policies

• Assist in network design and implementation

• Troubleshoot issues with Network Deployment

• Identify potential failures and recommend solutions

• Liaise with Vendors and other IT personnel for Problem resolution

• Update knowledge base with known errors

Basic Qualifications

• Bachelor’s or Master’s Degree in Computer Science, Information Technology, Engineering, or a related field.

• 10 years of relevant experience in network engineering and large system architecture.

• Active TS/SCI clearance

• In-depth understanding of:

• Operating Systems (e.g., Linux, Windows Server)

• CAS tools and integration

• COTS product evaluation, implementation, and lifecycle management

• ServiceNow

• DoD 8570.01-M IAT Level II certification, such as:

• Security CE

• CCNA, CCNA-Security

Preferred Qualifications

• CCNP
• Strong problem-solving skills and ability to work in high-pressure environments.
• Excellent verbal and written communication skills.
• Familiarity with virtualization technologies, cloud platforms, and software-defined networking (SDN).
• Experience working with government agencies or in classified environments.

Benefits

Medical, Dental, Vision (company paid for employee and dependents), Paid Time Off, Sick Leave, Paid Federal Holidays, Education and Certification Reimbursement Program, 401(k) retirement plan with safe harbor employer match after 3 months, Prepaid legal plan and ID protection plan available, Accident Insurance, Critical Illness Insurance, and Hospital Indemnity Insurance available.

EEOC Statement

IPSecure does not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, disability or status as a protected veteran.