ServiceNow Portal Developer, Senior

Company: CGI
Location: Arlington
Posted on: April 1, 2026

Job Description:

Position Description: CGI Federal has an exciting opportunity for a ServiceNow Portal Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for keeping pace with rapidly evolving technology advancements and leveraging your knowledge on a highly collaborative team to deliver state-of-the-art capabilities. The ServiceNow Portal Developer job involves designing, building, and customizing ServiceNow service portals and Now Experience components using web technologies like HTML, CSS, and JavaScript within the ServiceNow platform's Service Portal and Now Experience frameworks. Key responsibilities include developing custom widgets and pages, integrating backend workflows, ensuring responsive and accessible designs, optimizing portal performance, and collaborating with UI/UX designers and business analysts to translate requirements into user-friendly solutions. CGI Federal is growing its high-performance team whose members share a passion for building high-quality, scalable, advanced IT solutions in a collaborative, fast-paced, outcome-driven mission. Your future duties and responsibilities: • Portal and Widget Development: Design and build custom service portal pages and reusable widgets using the Service Portal and Now Experience framework. • UI/UX Implementation: Create user-friendly and intuitive interfaces, aligning them with provided designs and ensuring responsiveness across various browsers and devices. • Technical Skills: Utilize web technologies such as HTML, CSS, JavaScript, and frameworks like Bootstrap, React, or Angular to develop portal features and components. • Backend Integration: Integrate custom widgets and pages with backend ServiceNow workflows and external systems using APIs. • Performance and Optimization: Monitor and resolve performance bottlenecks, troubleshoot UI-related issues, and ensure portals are optimized for speed and efficiency. • Collaboration: Work closely with UI/UX designers, administrators, business analysts, and other stakeholders to understand requirements and deliver solutions. • Documentation and Testing: Create code documentation, user guides, and write Automated Test Framework (ATF) tests to ensure code quality. Required qualifications to be successful in this role: • Education and/or Experience: Bachelor’s degree and/or 5 to 10 years of experience • Security Clearance: TS/SCI with Poly • Proven experience in ServiceNow portal development. • Strong understanding of UI/UX principles, responsive design, and web accessibility standards. • Proficiency in ServiceNow Service Portal and Now Experience frameworks. • Strong coding skills in HTML, CSS, and JavaScript. • Experience with JavaScript frameworks like AngularJS, React, or Angular. • Familiarity with integrating backend workflows and APIs. • Excellent problem-solving, communication, and collaboration skills. • Understanding of ServiceNow architecture and best practices. Skills: DevOps What you can expect from us: Together, as owners, let’s turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction. Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team—one of the largest IT and business consulting services firms in the world. Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business. CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at US_Employment_Compliance@cgi.com . You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned. We make it easy to translate military experience and skills! Click here to be directed to our site that is dedicated to veterans and transitioning service members. All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances. CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI’s legal duty to furnish information.

Keywords: CGI, Irving , ServiceNow Portal Developer, Senior, IT / Software / Systems , Arlington, Texas