Senior Network Systems Engineer (4416)

SMX is looking for a highly motivated Senior Network Systems Engineer to join our team in support of Naval Surface Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Network Systems Engineer will work as part of our team to design, implement, and manage the customer secure network infrastructures, leveraging Cisco, Juniper, TCP/IP, and VoIP technologies according to DoD/Navy cybersecurity procedures and policies.

This position will be onsite in Dahlgren, VA.

Essential Duties & Responsibilities

• Design, implement, and manage secure LAN/WAN architectures for a DoD/Navy environment.

• Configure and maintain routers, switches, and firewalls

• Maintain security configuration compliance and risk management in accordance with DoD/Navy policies.

• Enhance network security and performance using Cisco and Juniper networking technologies

• Implement and optimize VoIP solutions

• Conduct network performance monitoring, troubleshooting, and optimization

• Ensure mission-critical availability by maintaining cable plant design and network infrastructure installations

• Work collaboratively with cross-functional teams

Required Skills & Experience

• Clearance Required: Secret

• Must be able to obtain and maintain Top Secret

• Bachelor's degree in an Engineering discipline

• 7+ years of professional experience in relation to design and implementation in local area network (LAN)/ wide area network (WAN) corporate environments using: Cisco, Juniper, TCP/IP and VoIP technologies with routers, switches, fiber optics, firewalls and cable plant designs

•

IAT III certification such as CISSP, CISM, GSLC, CASP or equivalent

Application Deadline: 3/2/2026

#cjpost #LI-ONSITE

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—$160,600 USD

At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.

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).