Senior Network Engineer

RealmOne; Columbia (MD); On-site; USD 184,000 - 236,000; Full time

Benefits offered by this job

Healthcare Coverage

401(k) with profit sharing

Flexible work schedules

Paid Time Off

Professional development assistance

Job summary

RealmOne is hiring a Network Engineer to support mission-critical environments through hands-on engineering and infrastructure modernization. The ideal candidate will have extensive experience in enterprise network systems.

This role offers a competitive salary of $184,000 - $236,000, robust healthcare options, a generous 401(k) plan, and generous PTO among other benefits.

Qualifications

• 5+ years of experience in supporting enterprise network engineering.
• Compliance with DoD 8570 requirements; Security+ CE certification is required.
• 20+ years of experience in similar programs and contracts.

Responsibilities

• Design, implement, and maintain enterprise network and data center environments.
• Provide engineering support for routing, switching, and fault tolerance.
• Develop and maintain technical documentation and network diagrams.

Skills

Routing and switching technologies

Troubleshooting skills

Problem-solving skills

Communication skills

Education

Bachelor’s degree in Systems Engineering, Computer Science or related discipline

Tools

Networking devices and methodologies

Load balancers

VPNs

Job description

Job Brief

Network Engineer

Job Description

Are you ready to become a RealmOne WARRIOR?

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 architecture, engineering, integration, and maintenance across a multi‑classification enterprise network.

Your effort and expertise are crucial to the success and execution of this impactful mission. This opportunity supports an Enterprise IT contract with a team of Customer Service Specialists, Database Engineers, Information Systems Security Officers, Information Systems Security Engineers, SharePoint Developers, Systems Engineers, Network Engineers, and IT Engineers responsible for the architecture, engineering, integration, operations, maintenance and sustainment of multi‑level Enterprise IT environment.

Responsibilities

• We are seeking an experienced Senior Network Engineer to support enterprise and mission‑critical environments through hands‑on engineering, troubleshooting, patching, operational sustainment, and infrastructure modernization activities. The ideal candidate is a self‑motivated technical professional who works well across teams, takes initiative, and is naturally curious about how systems and technologies operate within complex environments.
• Design, implement, maintain, and support enterprise network and data center environments.
• Provide engineering support for routing, switching, load balancing, fault tolerance, and infrastructure resiliency initiatives.
• Perform troubleshooting, patching, operational sustainment, and performance optimization activities across network and infrastructure platforms.
• Support STE/STN environments and associated mission infrastructure requirements.
• Analyze user requirements, concepts of operations documents, and high‑level system architectures to develop detailed system requirements specifications.
• Lead system design and development activities to support operational and mission objectives.
• Guide users and stakeholders in formulating requirements, evaluating alternatives, and conducting feasibility studies.
• Provide technical leadership for the integration of requirements, system design, and emerging technologies into operational environments.
• Incorporate new systems, technologies, and infrastructure enhancements into ongoing operations with minimal disruption.
• Conduct infrastructure assessments and GAP analyses to identify operational improvements and modernization opportunities.
• Develop and maintain technical documentation, network diagrams, system architecture documentation, and engineering design packages.
• Support development of system engineering management plans, system integration plans, and system test documentation.
• Interact directly with Government customers regarding systems engineering considerations, technical issues, risks, and conflict resolution.
• Ensure the technical integrity, quality, and completeness of engineering deliverables and work products.
• Collaborate with cross‑functional engineering and operational teams to ensure reliable, secure, and scalable infrastructure solutions.
• Design solutions, integrate, configure, deploy, test and provide ongoing maintenance for numerous types of network devices, interfaces and methodologies.
• Optimize end‑to‑end system performance and dataflow management.
• 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.
• Conduct data captures to obtain network performance information.
• Implement specific network solutions to support server requirements including load‑balancing, VPNs, firewall contexts, traffic shaping, VoIP, GRE tunneling, IP‑Sec, IP encryption, MoIP, and NAT where appropriate.
• 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.

Qualifications

• Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required.
• Five (5) years of additional Systems Engineering experience may be substituted for a bachelor’s degree.
• Compliance with DoD 8570 requirements; Security+ CE certification is required. IAT2.
• 20+ years of experience as a Systems Engineer in programs and contracts of similar scope, type, and complexity.
• Demonstrated experience in planning and leading Systems Engineering efforts.
• 5+ years of experience supporting enterprise network engineering and infrastructure environments.
• Strong experience with routing and switching technologies in enterprise environments.
• Experience with troubleshooting, patching, system sustainment, and infrastructure lifecycle support.
• Experience developing and maintaining network architecture and engineering documentation.
• Strong understanding of high availability, load balancing, fault tolerance, and infrastructure resiliency concepts.
• Experience supporting complex operational or mission‑critical environments.
• Strong analytical, problem‑solving, and troubleshooting skills.
• Excellent written and verbal communication skills.
• Preferred:
  • Experience supporting data center modernization and infrastructure transformation initiatives.
  • Familiarity with virtualization technologies and enterprise security compliance requirements.
  • Experience conducting system integration and test planning activities.
  • Prior experience supporting Government or DoD environments.
  • Industry certifications such as CCNA, CCNP, or equivalent are a plus.
  • Enterprise Routing and Switching.
  • Network Architecture and Design.
  • Infrastructure Troubleshooting.
  • Patching and Operational Sustainment.
  • STE/STN Support.
  • Load Balancing and Fault Tolerance.
  • High Availability Solutions.
  • Data Center Infrastructure.
  • Network Diagrams and Technical Documentation.
  • Systems Engineering and Integration.
  • Infrastructure Modernization.
  • Performance Analysis and Optimization.

Certifications Required

• (IAT) Level II certification / Security+.

Position Requirements

Position requires active Security Clearance with appropriate Polygraph.

Pay Range

184,000 - 236,000

Benefits

• Healthcare Coverage: 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 – 401(k) 10% total contribution, 5% safe harbor, 5% annual profit share. Immediate vesting, no match required.
• Paid Time Off – 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 in tech councils and industry initiatives, $7,500 annual educational & professional development assistance.
• Additional benefits – Paid parental leave, adoption assistance, annual swag drops, flexible work schedules, generous referral bonus program, employee appreciation and family‑friendly corporate events.