Sr ServiceNow Developer | Remote Job Craigavon Northern Ireland UK,Software Development

Description

Ares Enterprise is seeking a driven Senior Service Now Developer to lead the design, development, enhancement, and maintenance of custom Service Now applications supporting the Department of Health and Human Services (HHS) financial management environment. This role will work closely with Product Owners, Platform Teams, Business Analysts, Security personnel, and stakeholders to modernize financial management business processes through scalable Service Now solutions.

The Senior Developer will serve as a technical leader responsible for architecture decisions, application design, platform optimization, integrations, security compliance, and Agile delivery execution. The position requires experience developing and supporting Service Now solutions within a federal government environment and a strong understanding of Dev Sec Ops practices.

Essential Duties And Responsibilities

Lead the design, development, testing, deployment, and maintenance of custom Service Now scoped applications.
Design scalable solutions that support HHS financial management business processes and reporting requirements.
Collaborate with Product Owners and stakeholders to refine requirements and translate business needs into technical solutions.
Develop and review user stories, technical designs, workflows, forms, integrations, and automation solutions.
Perform Service Now platform configuration, customization, and enhancement activities.
Design and implement integrations with external systems and data sources.
Participate in Agile ceremonies including sprint planning, backlog refinement, reviews, and retrospectives.
Support platform upgrades, patching activities, and plugin implementations.
Conduct code reviews and mentor junior developers.
Troubleshoot application defects and perform root cause analysis.
Develop dashboards, reports, and performance analytics.
Ensure compliance with HHS security, privacy, and accessibility requirements.
Support ATO activities, security assessments, vulnerability remediation, and audit responses.
Create and maintain technical documentation, deployment plans, and user guides.
Support production releases, rollback planning, and post-deployment activities.
Provide after-hours support during critical upgrades, releases, or incident response activities as needed.

Requirements

Required Qualifications

Bachelor's degree in Computer Science, Information Systems, Engineering, or related field.
Minimum 7 years of software development experience.
Minimum 5 years of hands-on Service Now development experience.
Experience developing custom scoped applications within Service Now.
Experience with JavaScript, Service Now APIs, Flow Designer, Integration Hub, and Service Portal.
Experience implementing Agile and Dev Sec Ops methodologies.
Experience supporting enterprise SaaS platforms.
Strong understanding of ITSM, ITOM, and platform governance principles.
Experience performing code reviews and providing technical leadership.
Strong written and verbal communication skills.
Ability to work effectively in a federal government environment.

Preferred Service Now Certifications

Certified System Administrator (CSA)
Certified Application Developer (CAD)
Certified Implementation Specialist (CIS)
Certified Technical Architect (CTA)
Certified Application Specialist certifications relevant to platform capabilities

Preferred Experience

Experience supporting federal government agencies.
Experience supporting HHS, CMS, NIH, CDC, FDA, or other federal financial management organizations.li>
Experience with Service Now platform upgrades and enterprise implementations.>
Experience with Zero Trust architecture initiatives.
Experience supporting FISMA, NIST 800-53, ATO, and FedRAMP compliance requirements.
Experience with financial management, reporting, grants, acquisition, or budget systems.
Experience designing enterprise integrations and multi-tenant data models.
Experience mentoring and leading development teams.

Security Clearance Requirements

Ability to obtain and maintain a Public Trust background investigation (HHS Position Sensitivity Level 5/Moderate Risk).
U.S. Citizenship required.

Work Location

Remote with occasional travel to HHS facilities in Washington, DC, as required.
Hybrid support model supporting government, contractor, and remote environments.

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