Applications Engineer 4 (Active TS/SCI Clearance with Full Scope Polygraph Required)

J&T Business Consulting; Fort Meade (MD); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Comprehensive health insurance

Paid time off and holidays

401(k) retirement plan with company 
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Job summary

J&T Business Consulting is seeking an Applications Engineer 4 with active TS/SCI clearance for a senior role at Fort Meade, MD. You will design software tools, lead enterprise applications engineering, and maintain security tool suites in GovCloud environments.

You will oversee full lifecycle development, support AoA and ECPs, and guide task personnel through deployment and training activities.

Qualifications

• Security clearance required: Active TS/SCI with Polygraph.
• Extensive experience sustaining enterprise security tools and databases.
• Proven ability to perform vulnerability and gap analyses and product evaluations.
• Design GUI/web interfaces and implement access controls.
• Lead software configurations, author ECPs, and train end users.

Responsibilities

• Monitor and patch security tool suites and NISIRT systems 24/7.
• Perform vulnerability and gap analyses across tool suites and evaluate replacements.
• Develop AoA analyses and write Technical Analysis packages and ECPs.
• Design, code, test, and document custom software tools and GUIs.
• Integrate COTS/GOTS software with cloud and on-prem architectures.
• Define robust access controls and security service interfaces.
• Direct and review work of team members; provide QA and estimates.
• Coordinate testing and deployment with external system owners.

Skills

TS/SCI clearance

Security tool sustainment

Vulnerability & gap analysis

System integration

Full lifecycle leadership

Education

Doctorate +2 years experience

Master's +4 years experience

Bachelor's +6 years experience

Associate +8 years experience

High school diploma +10 years experience

IC GovCloud hands-on experience

Tools

GUI/web interfaces

Access controls

Data ingestion pipelines

Job description

Applications Engineer 4 (Active TS/SCI Clearance with Full Scope Polygraph Required)

Fort George G Meade, United States | Posted on 09/10/2026

Clearance Requirement: Active TS/SCI with Polygraph

Salary Range: $120,000 - $160,000 / year (dependent on experience, education, and skill set)

About the Role

Seeking a senior Applications Engineer (Level 4) to design software tools, lead enterprise applications engineering, and maintain mission-critical security tool suites in Fort Meade, MD.

In this role, you will lead the design, implementation, and sustainment of software subsystems supporting reuse and domain analysis within Enterprise IT and IC GovCloud environments. You will monitor and maintain the health of specialized security tools (including NISIRT systems), analyze emerging vulnerabilities, perform gap analyses and Analysis of Alternatives (AoA), integrate COTS/GOTS solutions, and guide engineering task personnel through full-lifecycle development and deployment.

Key Responsibilities

• Continuously monitor, maintain, upgrade, and patch security tool suites and NISIRT systems to ensure 24/7 operational readiness and data integrity.
• Perform vulnerability and deficiency analyses across Enterprise IT / IC GovCloud tool suites, executing gap analyses and researching commercial product replacements.
• Conduct Analysis of Alternatives (AoA) and author comprehensive Technical Analysis packages and Engineering Change Proposals (ECPs) for government evaluation.
• Design, code, test, debug, and document custom software tools, web front-ends, and GUI interfaces to streamline scanning tool data retrieval and user workflows.
• Integrate, test, and enhance COTS/GOTS software and supporting hardware for full interoperability across cloud and on-premises enterprise architectures.
• Define and implement robust access controls, security service interfaces, and configuration plans.
• Direct and review the technical work of task personnel, providing quality assurance and cost/schedule estimates.
• Coordinate testing, integration, and enterprise deployment with external system owners, and conduct instruction/training for authorized users on newly fielded capabilities.

Required Qualifications & Experience

• Security Clearance: Active TS/SCI with a current Polygraph.
• Core Engineering & Tool Sustainment: Extensive experience monitoring, maintaining, and upgrading enterprise security tools and associated database systems.
• Vulnerability & Gap Analysis: Proven track record conducting gap analyses, evaluating COTS/GOTS cybersecurity products, and delivering technical trade study packages.
• System Integration: Demonstrated capability designing GUI/web interfaces, implementing access controls, and integrating data ingestion pipelines with scanning tools.
• Full-lifecycle Leadership: Experience managing software configurations, authoring ECPs, leading QA evaluations, and conducting technical training for end users.

Desired Qualifications

Education & Experience (in a directly related technical field):

• Doctorate degree plus at least 2 years of relevant experience, OR
• Master's degree plus at least 4 years of relevant experience, OR
• Bachelor's degree plus at least 6 years of relevant experience, OR
• Associate degree plus at least 8 years of relevant experience, OR
• High School Diploma / GED plus at least 10 years of relevant experience.
• Hands-on experience with IC GovCloud architecture, formal CASE tools, and enterprise data flow diagramming.

Benefits & Compensation

• Comprehensive Health, Dental, and Vision Insurance
• Basic Life and Disability Insurance
• Paid Time Off (PTO) and Paid Holidays
• 401(k) Retirement Plan with Company Match
• Tuition Reimbursement for ongoing education and professional development

An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected under federal, state, or local law.