Senior A/V Systems Engineer – Defense & Government

Cornerstone Defense LLC; Herndon, Northern (VA, KY); Hybrid; USD 90,000 - 120,000; Full time

Benefits offered by this job

401(k) with company match

Tuition assistance

Paid vacation/leave

Commuter benefits

Fitness reimbursement

Job summary

Cornerstone Defense LLC is seeking an A/V Engineer in Herndon, VA to design, configure, and test complex AV systems for government customers. You will lead on-site installations, collaborate with facility teams, and produce detailed engineering documentation to support installation and commissioning.

The role requires 5+ years in AV design/integration, strong customer interfacing skills, and hands-on experience with DSP platforms and control systems.

Qualifications

• 5+ years of related systems design and integration experience or equivalent education and experience.
• Experience in setup/install and support of large-scale audiovisual systems.
• Experience coordinating or leading schedule driven tasks.
• Experience directly interfacing with customers.

Responsibilities

• Survey, plan, design, configure, and test multi-classification AV solutions for government customers.
• Attend stakeholder meetings to gather and validate system requirements and propose tech solutions.
• Prepare system engineering docs: signal flow diagrams, BOMs, rack elevations.
• Support and lead onsite AV installations and configuration phases.
• Collaborate with facility teams, subcontractors, and vendors during installs.
• Develop end-user training materials and maintenance plans.
• Perform on-site commissioning and continuous skills improvement.

Skills

AV system design

Stakeholder coordination

Customer interfacing

Systems integration

Large-scale AV

On-site installations

Tools

Biamp DSP

QSC DSP

Crestron

Extron

Thinklogical

AutoCAD

Visio

Job description

Cornerstone Defense LLC is seeking an A/V Engineer in Herndon, VA to design, configure, and test complex AV systems for government customers. You will lead on-site installations, collaborate with facility teams, and produce detailed engineering documentation to support installation and commissioning.

The role requires 5+ years in AV design/integration, strong customer interfacing skills, and hands-on experience with DSP platforms and control systems.