Public engineering firm profile
Barrier Island Consulting, PLC
Greeneville, TN
Expert physical security and engineering solutions protecting critical infrastructure from explosive threats.
- Services
- 15
- Offices
- 1
- Leaders
- 5
- Size Estimate
- 1-5 employees
Overview
Barrier Island Consulting, PLC is a full-service physical security, civil, and mechanical engineering practice based in Greeneville, Tennessee. It specializes in explosives engineering, risk assessment, and protection of critical infrastructure and personnel from blast hazards. Clients include federal agencies and nuclear utilities, with services spanning vulnerability assessments and protective strategy validation.
- Size Estimate
- 1-5 employees
Services
Explosive Research
Work in this area is organized into supported delivery tasks.
Risk Assessment & Mitigation
Evaluation of threat vectors and implementation of protective strategies to safeguard critical infrastructure against energetic hazards.
Delay Analysis
Scientific evaluation and optimization of detonation timing systems used in controlled blasting and tactical operations.
Vulnerability Assessments
Evaluation of physical facility security postures and validation of defensive strategies against blast and physical penetration.
Explosives Engineering
Design, analysis, and implementation of energetic materials for tactical and civil applications.
Weapons & Explosives Testing
Controlled evaluation of weapon systems and energetic materials to verify safety and performance specifications.
Breaching & Range Operations
Provision of range safety protocols and method-of-entry tactical breaching support.
Industries
Firm type
Project types
Software
Leadership
Gregory Clemens
Principal
PE
Resourceful, analytical and detail-driven professional engineer with thirty plus years of experience working with military explosives, commercial explosives, energetic weapon systems and the development of unique explosive applications. Strong project leader with excellent capabilities in completing multiple explosives orientated projects with competing deadlines, limited resources, and many times adverse field working conditions. Proven ability in explosive engineering projects with extensive expertise in construction blasting, method of entry breaching applications and the destruction of reinforced concrete and steel structures.
Corey Johnston
Program Security Specialist - Analyst / Subject Matter Expert (SME)
Program Security Specialist-Analyst with extensive experience conducting vulnerability assessments specific to physical infrastructure and protective strategy validation. Adaptable, energetic, and client-focused professional who relies on objective data, self-accountability, and the spirit of teamwork to succeed in deadline-driven environments.
Nathaniel Bryce Blevins
Mechanical Engineer
A seasoned, fully qualified, Senior Nuclear Design Engineer with a strong background in the Standard Design Process (IP-ENG-001) and Engineering Modifications, leveraging experience in evaluations, stakeholder management, Nuclear Security and Cybersecurity (10 CFR § 73), EDB, EDMS applications (Asset Suite, Maximo, CMISDP, P2E, PCRS, PDMS), and familiarity with nuclear industry & utilities procedures and processes.
Lisa R. Davis
Office Manager / Facility Security Officer (FSO)
Initiative-taking and accomplished business professional with twenty-three years of experience in management and manufacturing in the nuclear industry. Experience includes audit program management and implementation, process evaluations, certified auditor for regulatory and procedure compliance, process and performance improvement, Human Performance team facilitation, lean and improvement team coordination, departmental testing, and qualification.
John Schwertfeger
Program Security Specialist - Analyst / Subject Matter Expert (SME)
Program Security Specialist-Analyst with extensive experience conducting vulnerability assessments specific to physical infrastructure and protective strategy validation. Adaptable, energetic, and client-focused professional who relies on objective data, self-accountability, and the spirit of teamwork to succeed in deadline-driven environments.