CT Network Engineer

Probity Inc.; Warrenton (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

Probity Inc. is seeking a Network Engineer with Top Secret/SCI Clearance to design and maintain complex network infrastructures.

The ideal candidate has deep experience in routing, switching, and security controls, with Cisco ACI expertise across multi-data center environments. The role requires an active Top Secret/SCI with Polygraph clearance, strong collaboration skills, and the ability to troubleshoot advanced network issues in enterprise networks (LAN/WAN).

Qualifications

• Bachelor's degree or equivalent in a technical field.
• Minimum ten years of experience in architecting IP networks.
• Deep knowledge of routing, switching, and network security controls.

Responsibilities

• Design, implement, and maintain complex network infrastructures.
• Lead network architecture reviews and client communications.
• Collaborate with cross-functional teams to resolve issues.
• Develop and maintain network design documentation and diagrams.
• Provide leadership in Cisco ACI design, planning, and testing across data centers.

Skills

Networking design

Cisco ACI

SDN

VXLAN/EVPN

Security controls

LAN/WAN

Troubleshooting

Cross-functional teamwork

Network monitoring

Python/Automation

Education

Bachelor's degree in CS or related

10+ years IP networks experience

Tools

Cisco ACI

DCNM

OTV

VMware NSX

Job description

PLEASE NOTE: This position requires an ACTIVE Top Secret/SCI Clearance with Polygraph. To be considered for this position, you MUST have an ACTIVE Clearance Level of Top Secret/SCI with Polygraph

JOB DESCRIPTION

The Network Engineer will be responsible to design, implement, and maintain complex network infrastructures. This role requires deep technical expertise in networking technologies, including routing, switching, and network security controls. The ideal candidate is a technical practitioner, not just an advisor - someone who can design, implement, and troubleshoot complex network architectures and familiar with the customers' enterprise networks to include Local Area Network (LAN) and Wide Area Network (WAN), and routing protocols. The ideal candidate must have the professional connection to the customers' enterprise networks (DDI/ITE/GIO) and familiar with the Cisco ACI technology.

QUALIFICATIONS

• Bachelor's Degree in Computer Science or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience
• Minimum ten (10) years of relevant experience (additional experience may be substituted for a degree) with architecting and designing IP networks and associated technologies

REQUIRED KNOWLEDGE/SKILLS

• In-depth understanding of networking to include routing, switching, network monitoring and management
• Strong troubleshooting skills specific to network connectivity, security, and ability to effectively work in cross functional teams as needed to resolve issues
• Expert for SDN engagements built around Cisco ACI
• Background in Cisco ACI design, planning, implementation, and testing, based on a multi data center configurations
• Good team and collaboration skills
• Ability to research and find new and innovative technologies to enhance the existing network
• Define network strategy with respect to technology domain standards and design goals
• Provide technical design and architectural leadership, including documenting and diagramming the logical, physical and process views
• Experience analyzing network traffic, using a variety of network tools to assess security-related events to assist in rapid identification and isolation of issues during incidents and outages
• Experience in designing, configuring, implementing, and troubleshooting these various network technologies and protocols
• Experience designing, deploying, and maintaining boundary security solutions and exposure to enterprise network architecture
• Good knowledge and hands-on experience with VXLAN/EVPN

DESIRED KNOWLEDGE/SKILLS

• Experience with Network Access Control and Segmentation
• Experience with security compliance standards
• Experience with site-to-site VPNs and/or remote access VPNs
• Network programmability for automating network tasks (Ansible, Puppet, Chef, Python, Rest API’s)
• Experience with Data Center and co-location solutions as they relate to SDN architecture and Design
• NextGen Firewall Experience
• Experience configuring/administrating various network technologies including Cisco ACI, Cisco DCNM, OTV, VMware NSX
• Demonstrated experience designing and implementing network reference architecture from mission requirements gathering to technology rollout oversight, including capacity management, technology selection, integration of multiple tools and technical documentation
• Familiarity with Software defined networking (SDN) Network Disaggregation technologies and methodologies along with open-source solutions
• Ability to brief complex information to senior leadership
• Familiarity with Software defined networking (SDN) Network Disaggregation technologies and methodologies along with open-source solutions
• Drive enhancements through full life cycle from concept to final implementation and support

KEY RESPONSIBILITIES

• Installation and maintenance of network equipment
• Troubleshooting and resolution of network issues
• Design network architectures based on customer requirements and industry best practices
• Development of unique solutions that will meet customer requirements and industry best practices
• Collaborate effectively with other IT disciplines (e.g., Storage, Platform, Application) to troubleshoot and resolve complex problems
• Develop and maintain configurations plans for Cisco ACI design, planning, implementation, and testing, based on a multi data center configurations
• Create architectural design solutions and successfully present them to client stakeholders
• Work with infrastructure engineers to identify new products and solutions
• Document maintenance for all computer systems and network infrastructure
• Maintain systems and documentation as needed for audits and compliance
• Communications with customers: keeping them informed of incident progress, notifying of impending changes, or coordinated outages
• Be available for other engineers and coach them to resolution
• Participate in 24x7 on call and assist in resolving issues outside normal business hours