Daniel Callahan
Norwich
Summary
Navigation Electronics Technician with 7+ years of hands-on experience maintaining, troubleshooting, and operating mission-critical radar and navigation systems in demanding submarine environments. Expert in BPS-16 radar operations and maintenance with proven track record diagnosing complex electronic faults and executing emergency repairs under pressure. Skilled team leader managing technical operations and preventative maintenance programs. Active Top Secret clearance. Available November 2026.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Building Maintenance Technician
U.S. Navy - Historic Ship Nautilus Museum
Groton
04.2023 - Current
- Performed electrical system maintenance and facility repairs in historic naval facility
- Managed emergency maintenance requests and safety inspections
Navigation Electronics Technician, E6 (Radar Operator & Maintainer)
U.S. Naval Nuclear Submarines
Silverdale
11.2017 - 10.2026
- Operated BPS-16 submarine radar system as Radar Operator, conducting surface surveillance and navigation support during critical operations
- Performed comprehensive preventative and corrective maintenance on BPS-16 radar systems, ensuring 100% operational availability
- Diagnosed and repaired complex electronic faults in radar transceiver, antenna systems, and signal processing equipment
- Conducted routine performance checks and calibration procedures to maintain optimal radar detection capabilities
- Troubleshot and resolved radar equipment failures to minimize operational disruption during at-sea operations
- Maintained detailed maintenance logs and technical documentation for all radar system repairs and modifications
- Led team of 9 electronics technicians managing 3,000+ man-hours of maintenance across radar, navigation, and communications systems
- Work Center Supervisor coordinating maintenance schedules, parts procurement, and emergency repair operations
- Responded to equipment failures in real-time, performing rapid fault diagnosis and implementing corrective actions
- Trained junior technicians on radar operations, troubleshooting procedures, and maintenance best practices
- Served as technical point of contact during underway operations, providing immediate support for system malfunctions
- Quality Assurance Inspector (QAI) conducting comprehensive inspections of electronic systems and maintenance procedures
- Quality Assurance Supervisor (QAS) overseeing quality control programs for navigation and radar equipment
- Interpreted technical drawings and specifications for equipment installations and system upgrades
- Integrated new hardware and software updates, implementing automation improvements and system enhancements
- Maintained 100% compliance with naval technical manuals and maintenance procedures
- Diagnosed and repaired inertial navigation systems, gyrocompasses, and precision positioning equipment
- Performed component-level troubleshooting on RF systems, power supplies, and digital signal processing units
- Calibrated electronic systems to manufacturer specifications ensuring accuracy and performance
- Modified and maintained complex electronic equipment to achieve proper functioning in harsh marine environments
- Executed preventative maintenance programs reducing unscheduled equipment failures
- Department Head Level Maintenance Manager ensuring adherence to safety protocols and regulatory requirements
- Conducted facility inspections and addressed electrical hazards in compliance with naval safety standards
- Asbestos Supervisor managing environmental compliance during equipment maintenance and facility repairs
- Maintained operational security for classified radar and electronic warfare systems
Education
Bachelor of Science - Information Technology, Cybersecurity Concentration
Southern New Hampshire University
Skills
- Radar Operations & Maintenance
- Radar Troubleshooting
- Performance Optimization
- System Calibration
- Component-Level Diagnostics
- Circuit Analysis
- Fault Isolation
- Equipment Installation
- System Integration
- Emergency Repairs
- Preventative Maintenance
- Customer Training
- Technical Documentation
- Root Cause Analysis
- Diagnostic Equipment
- Test Equipment
- Inertial Navigation Systems
- Electronic Warfare Systems
- Team Supervision
- Quality Assurance
- Safety Compliance
- Project Management
- Technical Training
Websites
Military Awards
- Navy Achievement Medal (4x) - Recognized for exceptional technical performance and leadership
- Multiple Letters of Commendation for operational excellence
Certification
- Quality Assurance Inspector (QAI) - U.S. Navy
- Quality Assurance Supervisor (QAS) - U.S. Navy
- Department Head Level Maintenance Manager - U.S. Navy
- Drug and Alcohol Program Advisor (DAPA) - U.S. Navy
- Asbestos Supervisor - U.S. Navy
- CompTIA Security+ (In Progress - Expected 2026)
- Active Secret Security Clearance
Core Competencies
BPS-16 Radar Operations & Maintenance, Radar Troubleshooting, Performance Optimization, System Calibration, Component-Level Diagnostics, Circuit Analysis, Fault Isolation, Equipment Installation, System Integration, Emergency Repairs, Preventative Maintenance, Customer Training, Technical Documentation, Root Cause Analysis, Diagnostic Equipment, Test Equipment, Inertial Navigation Systems, Electronic Warfare Systems, Team Supervision, Quality Assurance, Safety Compliance, Project Management, Technical Training
Additional Qualifications
11/26 (Honorable Discharge), Willing to travel extensively for field service assignments, Active Secret Security Clearance, Experienced creating detailed service reports and maintenance records, Proven ability to communicate technical information to non-technical personnel
Timeline
Building Maintenance Technician
U.S. Navy - Historic Ship Nautilus Museum
04.2023 - Current
Navigation Electronics Technician, E6 (Radar Operator & Maintainer)
U.S. Naval Nuclear Submarines
11.2017 - 10.2026
Bachelor of Science - Information Technology, Cybersecurity Concentration
Southern New Hampshire University