Senior Network Security Design Engineer

Core4ce; North Charleston (SC); Sur place; USD 120 000 - 170 000; Plein temps

Avantages offerts par ce poste

401(k) with company match

Medical, dental, vision coverage

Technical training & certifications

Tuition assistance

Paid parental leave & PTO

Résumé du poste

Core4ce is seeking a Senior Network Security Design Engineer to design and prototype enterprise network security solutions for data center, campus, and WAN environments. You will work with Cisco, F5, Palo Alto, and related technologies to deliver secure architectures and detailed documentation.

Role emphasizes collaboration across network, security, systems, and application teams, with responsibilities evolving to meet business needs and support growth. U.S.

Qualifications

• U.S. Citizen required for eligibility.
• Active Secret Clearance required or ability to obtain.
• 8+ years of enterprise network engineering or security engineering.
• Advanced knowledge of Cisco routing and switching.
• Experience with multi-vendor security technologies and architectures.

Responsabilités

• Design, engineer, and document enterprise network security solutions.
• Develop laboratory prototypes mirroring production architectures.
• Support VPN, encryption, and secure transport implementations.
• Integrate firewalls, web app firewalls, IDS/IPS, and SSL/TLS inspection.
• Collaborate with cross-functional teams across data center, WAN, and campus areas.
• Produce implementation plans, diagrams, and operating procedures.
• Troubleshoot complex multi-vendor interoperability and performance issues.
• Provide mentorship and architectural guidance to junior engineers.

Connaissances

Network security design

Enterprise networking

Lab prototyping

Security architectures

VPN and encryption

Multi-vendor integration

Formation

Bachelor's degree in CS/IT/Engineering

Equivalent practical experience considered

Outils

F5 BIG-IP

Cisco ASR/ISR/Nexus

Palo Alto

SSL/TLS inspection

Load balancing

Description du poste

Core4ce Senior Network Security Design Engineer 1460-383

The Senior Network Security Design Engineer serves as a technical subject matter expert responsible for designing, prototyping, documenting, and supporting enterprise network security solutions.

This role focuses on secure network architecture, data center and WAN security, firewall and web application security, traffic inspection, encryption, VPN connectivity, and integration of multi-vendor security technologies. The engineer will build and test solutions in laboratory environments, evaluate emerging technologies, and support deployment and sustainment teams as solutions move into production.

The successful candidate will be comfortable working in complex enterprise environments, collaborating with network, security, systems, and application teams, and translating technical designs into reliable, supportable implementations.

This position is designed to be flexible, with responsibilities evolving to meet business needs and enable individual growth.

Responsibilities:

• Design, engineer, and document enterprise network security solutions across data center, campus, WAN, and enclave environments.
• Develop laboratory prototypes that replicate production network and security architectures.
• Design and support solutions involving:
  • Enterprise firewalls
  • Web application firewalls
  • Intrusion detection and prevention
  • SSL/TLS break-and-inspect architectures
  • Packet brokers and security appliance integration
  • VPN and encrypted transport solutions
  • Application delivery controllers and load balancing
  • Network segmentation and routing isolation
• Evaluate existing network security architectures and recommend improvements to security, availability, performance, and operational supportability.
• Support the design and implementation of Cisco, F5, Palo Alto, and related network security technologies.
• Develop implementation plans, test plans, diagrams, operating procedures, and other technical documentation.
• Troubleshoot complex interoperability and performance issues across multi-vendor network and security environments.
• Assist deployment and sustainment teams with production implementation, transition, and technical escalation.
• Collaborate with network, cybersecurity, systems, application, and infrastructure engineering teams.
• Identify and communicate relevant security threats, vulnerabilities, and technology risks.
• Ensure designs align with applicable security and compliance requirements, including FISMA, DISA STIG, and FIPS requirements where applicable.
• Provide technical mentoring, knowledge transfer, and instructional sessions for engineering and operations personnel.
• Participate in architecture reviews, project planning, technology evaluations, and engineering team meetings.
• Provide concise status updates and project reporting.

Requirements:

• U.S. Citizen
• Active Secret Clearance
• Bachelor’s degree in computer science, information technology, engineering, or a related technical field; equivalent experience may be considered.
• 8 or more years of experience in enterprise network engineering, network security engineering, or telecommunications.
• Advanced knowledge of Cisco enterprise routing and switching technologies.
• Experience designing, implementing, and troubleshooting complex enterprise networks.
• Experience with network security architecture, including firewalls, IDS/IPS, access control, segmentation, and secure network services.
• Experience with IP routing and switching protocols such as BGP, OSPF, EIGRP, VRF, and MPLS.
• Experience with IPsec VPNs, GRE, GETVPN/GDOI, or comparable encrypted network technologies.
• Experience designing or supporting SSL/TLS inspection or decryption architectures.
• Experience building and testing complex network solutions in a lab or development environment.
• Ability to produce clear architecture documents, network diagrams, implementation plans, and operational procedures.
• Ability to work effectively with technical and non-technical stakeholders.
• Ability to obtain and maintain required security and technical certifications.

Preferred Qualifications:

• Experience with F5 BIG-IP technologies, including one or more of the following:
  • Local Traffic Manager
  • Global Server Load Balancing
  • DNS
  • Advanced firewall or application security capabilities
  • SSL Orchestrator
  • Application Security Manager
• Experience with Cisco ASR, ISR, Catalyst, and Nexus platforms.
• Experience with Palo Alto firewalls.
• Experience with web proxies, packet brokers, content switching, and security appliance integration.
• Experience supporting FISMA, NIST, DISA STIG, or other regulated environments.
• Knowledge of FIPS 140-2/140-3 requirements.
• Experience with high-availability data center, campus, or global WAN environments.
• Experience designing network security solutions for cloud or hybrid environments, including AWS or Microsoft Azure.
• Experience with network automation or device APIs using Python, PowerShell, Netmiko, Ansible, or comparable tools.
• Cisco certification at the CCNP level or equivalent knowledge.
• Security certification such as Security+, CySA+, SSCP, GSEC, or equivalent.

Why Work for Us?

Core4ce is a team of innovators, self-starters, and critical thinkers- driven by a shared mission to strengthen national security and advance warfighting outcomes.

We offer:

• 401(k) with 100% company match on the first 6% deferred, with immediate vesting
• Comprehensive medical, dental, and vision coverage- employee portion paid 100% by Core4ce
• Unlimited access to training and certifications, with no pre-set cap on eligible professional development
• Tuition assistance for job-related degrees and courses
• Paid parental leave, PTO that grows with tenure, and generous holiday schedules
• Got a big idea? At Core4ce, The Forge gives every employee the chance to propose bold innovations and help bring them to life with internal backing.

Join us to build a career that matters- supported by a company that invests in you.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, disability, veteran status, age, genetic information, or other legally protected status.

All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or other legally protected status.

*Core4ce provides the listed pay range for this position as a general guideline only and not as a guarantee of compensation or salary. Final offers may take into account a variety of factors, including, but not limited to, job responsibilities, education, experience, knowledge, skills, abilities, internal equity, market data alignment, any applicable collective bargaining agreement, and other legal requirements.

North Charleston, South Carolina, United States

Full-Time/Regular

All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or other legally protected status.