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

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

Benefits offered by this job

Health, Dental, Vision Insurance

Life and Disability Insurance

Paid Time Off

401(k) with Company Match

Tuition Reimbursement

Job summary

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

You will guide the full software lifecycle, monitor and improve NISIRT systems, and coordinate AoA, ECPs, and integration with government stakeholders to ensure robust, secure deployments.

Qualifications

• - Active TS/SCI with Polygraph is required.
• - Experience monitoring, maintaining, and upgrading enterprise security tools and databases.
• - Proven gap analyses and delivery of technical trade study packages.
• - Designing GUI/web interfaces, access controls, and data ingestion pipelines.
• - Leading QA, ECPs, and end-user training for software products.

Responsibilities

• Monitor, maintain, upgrade security tool suites and NISIRT systems for 24/7 readiness.
• Perform vulnerability and gap analyses across tool suites; research replacements.
• Conduct AoA and author Technical Analysis packages and ECPs for government review.
• Design, code, test, and document custom software tools and GUIs.
• Integrate, test, and enhance COTS/GOTS software and hardware for cloud and on‑prem.
• Define access controls and security service interfaces; implement configuration plans.
• Direct and review technical work; provide QA and cost/schedule estimates.
• Coordinate testing, integration, and deployment; train authorized users on new capabilities.

Skills

Security clearance TS/SCI

Polygraph

Enterprise tool sustainment

Vulnerability analysis

System integration

Full lifecycle leadership

Education

Doctorate +2 years

Master's +4 years

Bachelor's +6 years

Associate +8 years

High School Diploma +10 years

Tools

IC GovCloud

CASE tools

Data flow diagramming

Job description

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

This position offers a comprehensive benefits package designed to support employees both personally and professionally:

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.