Senior Infrastructure Design Engineer

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SMX is looking for a highly motivated Senior Infrastructure Design Engineer to join our team in support of Naval Surface Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Infrastructure Design Engineer will work as part of our team to implement secure, resilient, and scalable network infrastructure solutions. The successful candidate must translate mission requirements into robust infrastructure designs by developing and maintaining detailed network drawings using AutoCAD and Visio, conducting site surveys, and supporting the full lifecycle of infrastructure projects from concept through sustainment.

The position also involves cross‑team collaboration with cybersecurity, systems engineering, and operations teams to ensure compliance with DoD/Navy standards and mission alignment.

This position will be onsite in Dahlgren, VA.

• Develop, maintain Protected Distribution System (PDS) drawings which detail PDS runs among building and buildings/communication sheds
• Develop, update, deliver, and maintain Building Infrastructure Drawing packages that include:
  • cable tray pathways
  • communication room layouts
  • network drop locations
  • logical connectivity depictions
  • rack layouts
  • details for each type of installed drop, drop label details
  • pathways between outside terminal enclosures to the corresponding communications room
  • an associated explanatory legend
• Maintain Communications Diagrams that detail logical trunk connectivity among buildings and communications sheds monthly
• Develop and perform QA assessments relative to buildings and outside of buildings cable plant installations
• Other infrastructure design tasks as assigned

• Clearance Required:
  
  Secret
  • Must be able to obtain and maintain Top Secret
• Bachelor's degree in an Engineering discipline or Industrial Design
• 6+ years of professional experience in network areas such as landlines, cellphones, voice, video and data networks; and wireless communications
• Experience in Visio and AutoCAD
• Qualified experience in systems studies including planning, design, development, and modifications of existing or planned voice and data communications network systems and subsystems
• Building Industry Consulting Service International (BICSI), Registered Communications Distribution Designer (RCDD) certification within 90 days of hire
• IAT III certification such as CISSP, CISM, GSLC, CASP or equivalent

• Active BICSI RCDD certification

Final date to receive applications: 12/12/2025

The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.

The proposed salary for this position is: $96,400 USD - $160,600 USD

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.

SMX does not sponsor a new applicant for employment authorization or immigration related support for this position (i.e. H1B, F‑1 OPT, F‑1 STEM OPT, F‑1 CPT, J‑1, TN, E‑2, E‑3, L‑1 and O‑1, or any EADs or other forms of work authorization that require immigration support from an employer).