Demo

Network Engineer 3

RealmOne
Columbia, MD Full Time
POSTED ON 11/8/2026
AVAILABLE BEFORE 1/7/2027
Job Brief

Strong Network Diagramming/Documentation Skills, VMware

Job Description

RealmOne is the GOAT - where your career can reach the greatest heights!

RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch industry professionals.

Join us on this journey as we execute this mission-critical contract providing full life cycle software asset management support.

Your effort and expertise are crucial to the success and execution of this impactful mission. This opportunity supports a team of Application Engineers, Database Engineers, Information Systems Security Engineers, Network Engineers, Software Engineers, System Administrators, Systems Engineers, Technical Writers, by supporting the full life cycle of IT resources.

Job Description:

  • The Network Engineer 3 performs network services from network design through implementation, maintenance, and upgrading of existing networks. Analyzes design, specifications, and related documents. Performs general LAN/CAN/WAN administration. Schedules conversions and cutovers. Coordinates with all responsible users and sites to resolve network or system incidents. Translates business requirements into telecommunications (e.g., LAN, CAN, WAN, Voice and Video) requirements, designs and orders. Performs engineering analysis of telecommunications alternatives in support of strategic modernization efforts and telecommunications enhancement design for medium and large-scale telecommunication infrastructures. Assists telecommunications end users, telecommunications operations personnel, and telecommunications strategic program management with network interfaces.
  • Required: Cisco Experience
  • Desired: Arista experience, Virtual Networking (NSX), VMWare, Linux/Windows support, Storage/Backup experience.

The Level 3 Network Engineer shall possess the following capabilities:

  • 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 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.
  • Understanding of network policy (ACLs, segmentation routing).
  • Data-center experience with VMware NSX.
  • SDN knowledge.
  • Familiarity with storage/backup tools and concepts.
  • Basic hybrid-cloud architecture exposure.

Qualifications:

  • A Master's degree in Computer Science, Information Assurance, Information Security Systems Engineering, or a related discipline from an accredited college or university is required and Ten (10) years of relevant professional experience providing Network Engineering support and training commensurate with network engineering curriculum is required.
    OR
  • A Bachelor's degree from an accredited college or university in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline and Twelve (12) years of relevant professional experience providing Network Engineering support and training commensurate with network engineering curriculum is required.

Certifications Required:

  • Requires DoD 8570 compliance Information Assurance Technical (IAT) Level II certification.

Requires active Security Clearance with appropriate Polygraph

Pay Range: 216,000-272,000

The RealmOne pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Our approach to crafting offers considers various factors to establish an equitable and competitive compensation package. These considerations include, but are not limited to, the extent and intricacy of the role's responsibilities, the candidate's educational background, their work experience, and the specific competencies crucial for success in the role.

RealmOne Benefits:

  • 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 buy-up option available.
  • Retirement Savings: 401K - 10% TOTAL CONTRIBUTION - 5% safe harbor - 5% annual profit share. Immediate vested, no match required!
  • 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.
  • MORE BENEFITS...FOR EVERY LIFESTYLE! - Paid parental leave - Adoption assistance - Annual swag drops - Flexible work schedules - -Generous referral bonus program - Employee appreciation family-friendly corporate events ...and much more.

ABOUT US

  • RealmOne is a mid-sized science and technology company dedicated to solving our customers' toughest mission challenges.
  • Headquartered in Columbia, MD., RealmOne supplies advanced cybersecurity, data science and software engineering services and products to customers in the Government and commercial sectors.
  • RealmOne delivers encompassing mission assurance and critical systems support to government customers across various U.S. locations to include Colorado, Georgia, Hawaii, Texas, Utah, and Virginia.
  • RealmOne has earned numerous awards, including being named a Top Workplace by the Baltimore Sun. With more than 30 active contracts, 12 of which are prime, RealmOne stands as a premier innovator supporting the Government and Department of Defense, with team members located nationwide.

Disclaimer: Benefits packages offered by RealmOne are subject to variation and may differ based on work location, clearance level, and other eligibility criteria. Specific eligibility, availability, and scope of benefits are not guaranteed, may differ from those generally described, and remain subject to modification at the sole discretion of the company.


All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.


 

Salary : $7,500

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