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Today

Cybersecurity Network Engineer

IPSecure, Inc. San Antonio, TX

San Antonio, TX

Today

Full time Ccna Cisco Aci Cisco Ccna

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Job Description

IPSecure, Inc. seeks a Cybersecurity Network Engineer to support design, integration, configuration, testing, and security of advanced lab-based network infrastructure.

Responsibilities

Design, configure, integrate, secure, and troubleshoot enterprise network infrastructure in a lab and test environment
Engineer and support Cisco ACI architectures, including Cisco APIC controllers, leaf/spine topologies, tenants, VRFs, Bridge Domains (BDs), Endpoint Groups (EPGs), contracts, and external connectivity
Support Software-Defined Networking (SDN) technologies and network automation concepts for centrally managed and secured infrastructure
Configure and troubleshoot Cisco routers and switches, including Layer 2 and Layer 3 networking
Develop and maintain IP addressing and subnetting schemes, including VLANs, VRFs, routing domains, and segmentation strategies
Configure and troubleshoot routing protocols such as BGP, OSPF, and static routing
Engineer and support enterprise firewall and network security solutions, including security policies, access control rules, NAT, VPN connectivity, segmentation, and traffic inspection
Analyze network traffic and connectivity using packet captures, logs, monitoring platforms, and diagnostic tools
Perform cybersecurity hardening of network infrastructure per applicable security requirements and organizational standards
Identify network vulnerabilities, configuration weaknesses, unnecessary services, and segmentation issues; recommend remediation
Support Zero Trust and defense-in-depth network architectures, including segmentation and least-privilege communications between systems and security zones
Build and maintain representative network environments for integration, testing, troubleshooting, cybersecurity validation, and engineering development
Create and maintain network diagrams, interface documentation, IP address plans, configuration documentation, test procedures, and engineering artifacts
Conduct configuration testing and validation prior to production or mission environment implementation
Troubleshoot complex connectivity issues across routers, switches, firewalls, virtual networks, servers, and applications
Coordinate with cybersecurity, systems, virtualization, application, and engineering teams to resolve cross-domain infrastructure issues
Support change management, configuration management, technical documentation, and engineering review processes

Requirements

Active TS/SCI security clearance
Bachelor’s degree in Information Technology, Computer Science, Cybersecurity, Information Systems, Engineering, or a related discipline
Equivalent experience may be substituted
Security+ and CCNA certification
10+ years of experience in network engineering, cybersecurity engineering, network security, or a related technical field
Hands-on experience configuring and troubleshooting enterprise routers, switches, and firewalls
Demonstrated experience with Cisco ACI and SDN
Strong understanding of IP networking, routing, switching, subnetting, VLANs, and network segmentation
Experience supporting complex lab, integration, test, development, or production network environments
Experience working with virtualized infrastructure
Strong troubleshooting and root-cause analysis skills
Ability to develop and maintain detailed technical and network documentation
Hands-on Cisco ACI experience, including: APIC administration/configuration, leaf/spine architecture, tenants and VRFs, Bridge Domains (BDs), Endpoint Groups (EPGs), Application Profiles, Contracts and Filters, physical and virtual domains, VLAN pools, External L2/L3 connectivity, L3Out configuration, routing integration, network segmentation and micro-segmentation, troubleshooting and fault analysis, SDN policy-based networking, and network automation/programmable infrastructure
Experience integrating ACI with virtualized environments, firewalls, external routing infrastructure, and traditional Cisco networks is highly desired

Technologies

Cisco Application Centric Infrastructure (ACI), Cisco APIC
Software-Defined Networking (SDN)
Cisco routers, Cisco switches
Enterprise firewalls
IP addressing and subnetting, network segmentation, virtualization technologies
Packet captures
BGP, OSPF, static routing
NAT, VPN connectivity
Zero Trust, defense-in-depth
Layer 2 networking, Layer 3 networking
VLANs, VRFs, BDs (Bridge Domains), EPGs (Endpoint Groups)
Application Profiles
ACI Contracts and Filters, L3Out configuration
SDN policy-based networking, network automation and programmable infrastructure concepts
Security+, CCNA
Cisco CCNP Enterprise, Cisco CCNP Data Center, Cisco Certified DevNet Professional
Cisco ACI-focused training/certification

Benefits

Medical, Dental, Vision
Unlimited Vacation
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 Identity Protection Plan available
Accident Insurance
Critical Illness Insurance
Hospital Indemnity Insurance available

Preferred Qualifications

Cisco CCNP Enterprise
Cisco CCNP Data Center
Cisco Certified DevNet Professional
Cisco ACI-focused training/certification

Location: San Antonio, TX (onsite)

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.

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