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Principal Network Engineer

Crystal Management
Arlington, VA
  • Full-Time
Job Description


Since 2005, Crystal Management provides information technology (IT) infrastructure, systems integration, cybersecurity, facility design and transition, and professional services to customers in the defense, civilian federal agencies, homeland security, intelligence, and commercial sectors. We understand the mission demands innovative approaches, technology, and people. With talented professionals deployed worldwide, Crystal Management delivers IT enterprise solutions, systems engineering, and management consulting services for the largest transformation and restationing programs in defense history. Crystal Management is a service-disabled veteran-owned small business.

Position Summary

Crystal Management is seeking a Principal Network Engineer to support our Joint Service Provider (JSP) Enterprise Transport Management Next-Gen (ETM-NG) program at the Pentagon in Arlington, VA. This position is full-time onsite due to the nature of the work. Telecommuting is not allowed.


  • Provide architecture/engineering expertise for network implementations, cloud environment integrations, project designs, and standards development, as well as onboarding new tenants
  • Provide administration/support for intelligent DNS routing between enterprise locations/data centers, as well as plan and implement upgrades (including installation of new equipment)
  • Implement approved authentication and certificate management controls
  • Use caching (static HTML content) for the enterprise infrastructure environment (hardware, software, and configuration components) and supported tenants
  • Support deployment options
  • Configure self IPs, port lockdown, and network routes
  • Configure remote logging to Splunk
  • Adhere to change management processes and procedures
  • Troubleshoot, configure, upgrade, maintain, and monitor the load balancer network architecture (performance, configurations, traffic flow, application monitoring, CPU capacity/utilization)
  • Analyze network alarms and identify sources
  • Coordinate with on-site support personnel while troubleshooting
  • Use enterprise service management tools to initiate, respond, and track service requests
  • Create reports and analyze performance metrics
  • Develop processes/procedures and related engineering documentation for troubleshooting and quickly identifying issues
  • Perform reach back to OEM Vendors to de-conflict operational issues with known operating system bugs and security alerts
  • Partner with the information security personnel to assess potential exposure to vulnerabilities, identify mitigation plans, and ensure compliance with enterprise security baselines and standards
  • Evaluate modern technologies to optimize network efficiency and review/provide recommendations to improve the network
  • Inform management in a clear, concise, and timely manner of any customer or technical issues
  • Be responsive and decisive in adjusting architecture as customer requirements and technology evolves

Education/Certification Requirements

  • Bachelor's degree in Information Systems, Engineering or Equivalent; Master's degree preferred
  • DoD 8570 IAT Level II certification (e.g., CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, or SSCP)
  • A nationally recognized certification for senior network administrators/engineers/architects tied to the proposed solution's routers and switches

Required Qualifications

  • 5+ years primary role operating, troubleshooting, installing network routers and switches
  • 5+ years primary role directly designing, architecting routed, and switching networks up to and including enterprise-sized networking solutions.
  • 2+ years as senior or lead engineer in planning, designing, and building software-defined networks
  • 3+ years of DoD environment
  • Configuring and installing various network devices and services
  • Monitoring network performance and resource utilization, trending, capacity planning
  • Use of current and emergent network design principles and protocols
  • Experience with network virtualization technologies
  • Experience with multi-tenant network architectures
  • Familiarity with a wide variety of network routing and switching equipment devices from multiple vendors
  • Scripting languages such as Pearl, and Python, coding for network threshold events.

Clearance Requirements

  • Active Secret security clearance

COVID-19 Vaccination Requirement: To protect the health and safety of its employees and to comply with customer requirements, employees in certain positions may be required to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements

Crystal Management, LLC provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.




Crystal Management

Arlington, VA
22202 USA



Posted date

Over a month ago
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