Network Engineer 3 Job at RealmOne (Columbia)

Network Engineer 3

RealmOne

Location:
United States , Columbia

Category:
IT - Administration

Contract Type:
Not provided

Salary:

225000.00 - 280000.00 USD / Year

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Job Description:

We are seeking a Network Engineer III with extensive experience in Cisco and Arista technologies. The ideal candidate will be responsible for designing, implementing, and optimizing complex network infrastructures, ensuring high availability, security, and performance. Strong expertise in routing, switching, firewall management, and network automation is required, along with the ability to mentor junior engineers and troubleshoot advanced network issues. This opportunity supports an Enterprise IT contract with a team of Systems Administrators, Network Engineers, Systems Engineers and System Integration Technicians, responsible for the architecture, engineering, integration, operations, maintenance and sustainment of multi-level Enterprise IT environment.

Job Responsibility:

Optimize end-to-end system performance and dataflow management
Conduct data captures to obtain network performance information
Minimize network latency and maximize data throughput through design analysis and network performance monitoring tools
Provide input to the design of the organization’s network and mission architecture
Design solutions, integrate, configure, deploy, test and provide ongoing maintenance for numerous types of network devices, interfaces and methodologies
Configure and optimize the network to connect various front-end and back-end components
Gather needed data to specify system/component performance and interface requirements
Implement specific network solutions to support server requirements to include load-balancing, VPN’s, firewall contexts, Traffic Shaping Voice over IP (VoIP), GRE Tunneling, IP Security (IPSec), IP Encryption, Media over IP (MoIP), and network address translation (NAT) where appropriate
Configure and maintain organization’s network diagrams and accreditations
Oversee the support to all network equipment
Develop designs of the organization’s network and mission architecture to meet new partner requirements
Manage assigned tasks and provide guidance to junior Network Engineers
Integrate hardware and software to satisfy ISO 9000 requirements and other DoD/IC regulations
Resolve complex network problems, operate network analyzers, WAN test equipment and network simulators
Design modules representing traditional circuit switched networks
Lead large efforts and installation projects of dynamic requirements and scale
Develop algorithms for models using networking and/or telecommunications technologies and systems

Requirements:

Master’s degree in Computer Science, Information Assurance, Information Security Systems Engineering, or a related discipline and ten (10) years of relevant professional experience providing Network Engineering support
In lieu of a Master’s degree a Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline and an additional two (2) years relevant professional experience (total 12 years)
In lieu of a Master’s or Bachelor’s degree and addition six (6) years of relevant experience and a Certification in an industry standard (Arista Configuration Essentials, Cisco Certified Network Associate, or Juniper Certification Tracks) may be substituted (total 16 years)
Certification: An Information Assurance Technical (IAT) level III baseline certification as defined by DoD 8570.01-M is required
Position requires active Security Clearance with appropriate Polygraph

What we offer:

Healthcare Coverage + Insurance: Medical: Three (3) rich healthcare options through CareFirst with 100% or majority company-paid premiums
Tax-advantaged health savings account available with generous employer contribution
Dental + Vision: 100% employer-paid for employees and family, with a buy-up option available
Retirement + Savings: 401K – 10% TOTAL CONTRIBUTION – 5% safe harbor – 5% annual profit share (both immediately vested!)
Paid Time Off + More: 4 weeks starting PTO – 11 federal holidays + 2 floating holidays – Paid hours for company-required training
Career Growth + Development: Access to FREE 24/7 learning via Udemy – Opportunities to participate in tech councils, industry initiatives, etc. – $7,500 annual Educational & Professional Development Assistance
Paid parental leave
Annual swag drops
Flexible work schedules
Generous referral bonus program
Employee appreciation + family-friendly corporate events

Additional Information:

Job Posted:
April 16, 2026

Employment Type:

Fulltime

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