ServiceNow Developer

Requisition Number: 28327

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $76,164.00 - $180,000.00

Security Clearance: TS/SCI

Level of Experience: Mid

This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems.

HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Meet HII’s Mission Technologies Division

Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you.

To learn more about Mission Technologies, click here for a short video:

Job Description

Join a Team That's Powering the Future of National Security

At Mission Technologies, a division of HII, we don't just support the mission - we help shape it. We are currently hiring multiple ServiceNow Developers to assist in building next-generation capabilities that strengthen national defense, safeguard critical infrastructure, and keep our nation's most important missions moving forward.

This role sits within our Cyber & Intelligence division, where we drive large-scale IT modernization and enterprise security initiatives across cyber operations, infrastructure, facilities, and personnel systems. As part of a high-impact government program, you'll help engineer and protect mission-critical environments, ensuring they remain resilient, secure, and ready for-whatever comes next.

ServiceNow Developer Opportunities

• Junior: $90,500 - $110,000

• Mid-Level: $110,000 - $145,000

• Senior: $145,000 - $180,000

What You'll Do

You'll be hands-on in designing and delivering solutions that keep enterprise systems running at peak performance. In this role, you will:

• Research, design, develop, and enhance enterprise-wide applications and platforms

• Participate in planning and deploying major system updates and new capabilities

• Ensure all software meets compliance, quality, and security standards

• Evaluate how systems, software, and hardware integrate and interact

• Document testing, updates, fixes, and enhancements to ensure long-term stability

What You Bring

• Bachelor's degree and 3+ years experience

• Proven ability to develop and maintain Business Rules, Client Scripts, Script Includes, UI Policies, UI Actions, and Flow Designer/Workflow

• Experience building ServiceNow integrations using REST/SOAP APIs

• Familiarity working within Agile development environments

• Ability to support ITSM implementations and platform configuration

• Experience with custom application development

• Active Security+ certification

• Active TS/SCI clearance at start, with ability to obtain a CI Poly

Extra Points For

• 5–7 years of hands-on ServiceNow platform development, delivering high-quality solutions in complex enterprise environments

• Proven expertise building and maintaining advanced platform components, including:

• Business Rules

• Client Scripts

• Script Includes

• UI Policies and UI Actions

• Flow Designer / Workflow automation

• Strong background developing robust integrations using REST and SOAP APIs

• Experience thriving in Agile teams, contributing to iterative delivery and continuous improvement

• Ability to support full lifecycle ITSM implementations, from configuration to deployment

• Demonstrated success building custom applications that extend and elevate the ServiceNow platform

The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.

Together we are working to ensure a future where everyone can be free and thrive.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.

Do You Need Assistance?

If you need a reasonable accommodation for any part of the employment process, please send an e-mail to View email address on click.appcast.io and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call View phone number on click.appcast.io for assistance. Press #3 for HII Mission Technologies.