Senior Cyber Software Tool Developer

RTX

. Design, develop, and maintain internal web applications supporting GSS Security .

Posted 10/8/2026full-timeRemote • Texas • United StatesSenior💰 $86,800 - $165,200 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing web applications using ASP.NET MVC, C#, and SQL Server, while ensuring compliance with security regulations. Proficient in optimizing SQL queries and collaborating within an Agile development environment to deliver robust software solutions.

Highest-signal resume keywords

ASP.NET MVC DevelopmentSQL Server Query OptimizationDevSecOps PracticesC# ProgrammingAgile Development Methods

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ASP.NET MVCC#SQL ServerJavaScriptHTML/CSSEntity FrameworkREST APIsStored ProceduresJSONJQuery

Soft Skills

CollaborationProblem-SolvingCommunication

Tools & Technologies

Azure DevOpsGitIISBootstrapDataTables

Certifications & Qualifications

Active U.S. Government-Issued Security ClearanceCurrent Secret Security Clearance

Industry Keywords

CybersecurityComplianceGovernanceEnterprise OperationsDFARSDAAPMJASIGICDFAANIST 800-53

Tech Stack

Tools & technologies

ASP.NETAzureBootstrapCyber SecurityEntity FrameworkJavaScriptjQuerySQL.NET

About the role

Key responsibilities & impact

Design, develop, and maintain internal web applications supporting GSS Security
Develop new features using ASP.NET MVC, C#, JavaScript, HTML/CSS, and SQL Server
Design and optimize SQL queries, stored procedures, and database objects for large enterprise datasets
Troubleshoot complex issues across application code, SQL Server, and production environments
Automate manual compliance processes through software solutions
Collaborate with system stakeholders to translate operational requirements into technical solutions
Participate in code reviews, testing, deployments, and continuous improvement activities
Maintain and modernize existing applications while developing new capabilities
Document technical designs, database changes, and application functionality
Work across the full application stack, including databases, backend services, web applications, and production troubleshooting
Work as an individual contributor on an agile development team
Partner with GSS Center of Excellence personnel and Digital Technology partners
Align regularly with tasking within a DevOps framework

Requirements

What you’ll need

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM)
Minimum of 5 years of prior relevant experience
5 years of direct experience in Software Engineering
Active and transferable U.S. government-issued security clearance required prior to start date
Current Secret security clearance required on day 1
U.S. citizenship required
Experience designing SQL Server stored procedures, views, functions, indexes, and query optimization
Experience with DevSecOps, including Azure DevOps, Git, Pull Requests, CI/CD, and work item management
Experience with C#, SQL Server, JavaScript, HTML/CSS, or ASP.NET MVC
Experience with ASP.NET MVC, Entity Framework, SQL Server, Stored Procedures, REST APIs, JSON, jQuery, Bootstrap, DataTables, IIS, Azure DevOps, and Git
Must reside and work from one of the 50 U.S. states, excluding U.S. territories
Preferred: experience with Agile development methods including Scrum, automated testing, and continuous integration
Preferred: experience developing applications supporting cybersecurity, compliance, governance, or enterprise operations
Preferred: understanding of layered, event-tier, microkernel, or other software architectural frameworks
Preferred: experience implementing compliance regulations such as DFARS, DAAPM, JASIG, ICD, FAA, HIPAA, NIST 800-53, or other government requirements

Benefits

Comp & perks

Medical insurance
Dental insurance
Vision insurance
Life insurance
Short-term disability
Long-term disability
401(k) match
Flexible spending accounts
Flexible work schedules
Employee assistance program
Employee Scholar Program
Parental leave
Paid time off
Holidays
Annual short-term and/or long-term incentive compensation programs may be available
Remote work from home
Travel to the site location as needed
Relocation assistance not available