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DOD SkillBridge Internship - Network and Security Engineer

The Network and Security Engineer is responsible for designing, implementing, and managing secure and scalable network infrastructures. This includes enterprise-level firewall configuration using pfSense, managing Dell networking switches, deploying and maintaining data center networking infrastructure, and integrating emerging 5G cellular technologies into enterprise environments.

The ideal candidate will have hands-on experience in both traditional networking, data center practices, with a strong focus on security, performance optimization, and network integration.

Job Responsibilities:

  • Design and deploy secure enterprise networks using pfSense firewall and VPN solutions.
  • Configure VLANs, trunking, LAG/LACP, and inter-VLAN routing on Dell switches.
  • Monitor and troubleshoot switching hardware including Dell N-Series, S-Series, and OS10 environments.
  • Plan, build, and maintain data center network architectures (spine-leaf, VLT, fabric automation).
  • Integrate and secure network infrastructure in virtualization platforms.
  • Participate in on-the-job shadowing for network deployments and real-world troubleshooting.
  • Understand and contribute to 5G network integration including 5G NR, slicing, and enterprise use cases.
  • Collaborate with cross-functional teams for infrastructure planning and optimization.
  • Document network designs, procedures, and best practices.

  • Strong understanding of TCP/IP, subnetting, routing, switching, VLANs, and NAT
  • Hands-on experience with pfSense firewall setup, VPN configuration, and HA
  • Proficiency in Dell switch CLI (OS6/OS10), VLANs, LAGs, and STP
  • Experience with data center networking: spine-leaf topologies, VLT, SmartFabric
  • Knowledge of virtualization platforms (VMware, Proxmox) and integration with networks
  • Understanding of 5G cellular architecture, NR, and edge computing concepts
  • Familiarity with network security principles, IDS/IPS (Snort/pfBlockerNG), and segmentation
  • Basic automation and scripting (desirable but not required)
  • Excellent documentation and communication skills

Certifications (Preferred/Targeted):

  • CompTIA Network+ / Security+ (required for customer network access of admin)
  • pfSense Certified (or equivalent firewall knowledge)
  • Dell Networking Foundations (DNF) or N-Series/S-Series track (or CCNA and higher)
  • 5G Fundamentals / 5G NR Introduction (e.g., from IEEE, Nokia, or Coursera)

Our comprehensive benefits package for full-time salaried employees is effective immediately upon the start date. Benefits include comprehensive PPO medical coverage with access to a Health Savings Account (HSA) option, a vision plan, and dental insurance with the base dental plan option paid for by PGTEK. A TRICARE Supplemental Medical Insurance plan is also available.  Life Insurance, Short and Long-Term disability, and Critical Illness insurance have premiums covered. Additionally, PGTEK offers a matching 401(k) plan and a discount on pet insurance through ASPCA Pet Insurance. An Employee Assistance Program is available at no cost to all employees. We offer a generous amount of PTO and Holidays, and an Education Assistance Program is available after 12 months of employment.

About PGTEK:

PGTEK is a true consulting organization dedicated to helping clients achieve their business and technology objectives utilizing our decades of experience and business relationships. PGTEK invests in the educational advancements of our staff by providing the necessary resources to complete Professional and Business Certifications. Our company is our people, and we treat them like family.  EOE, including disability/veterans.


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PGTEK provides global IT infrastructure professional services to industry leading OEM, infrastructure software, and major private and public sector organizations. Our firm has completed thousands of successful engagements that are overseen by our ...

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Internship, remote
DATE POSTED
April 22, 2025

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