Application Support Engineer

Job Description:

DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector organizations — helping them harness AI to drive outcomes at a time of exponential change with speed. With deep expertise in Managed Infrastructure Services, Application Modernization, and Industry-Specific Software Solutions, DXC modernizes, secures, and operates some of the world’s most complex technology estates. Learn more on dxc.com

We are seeking an experienced Technical Specialist with strong hands‑on expertise across enterprise technologies. The successful candidate will work on‑site and provide high‑quality technical guidance, troubleshooting, and operational support to one of our key clients. This role requires deep technical knowledge, strong problem‑solving abilities, and the capability to communicate effectively with both technical and non‑technical stakeholders.

We are seeking a detail-oriented and proactive Application Sustainment Engineer/Technician to support, maintain, and enhance a portfolio of mission critical Commercial Off-The-Shelf (COTS) applications and legacy applications in a complex distributed environment. This role is responsible for ensuring application availability, resolving incidents related to application stack, co-ordinating with infrastructure teams, and driving continuous improvement across the application stack. The candidate is also expected to complete maintenance activities for the application layer and maintain the required documentations.

Please note a minimum NV1 security clearance is a requirement for this role.

Key Responsibilities:

• Provide Level 2 / Level 3 support for enterprise applications
• Automate and streamline operations using PowerShell for routine tasks, configuration checks, deployments, and run books.
• Monitor and maintain the performance, availability, and reliability of COTS applications in high secure production environments
• Diagnose, troubleshoot, and resolve application incidents and service requests within SLA timelines
• Maintain accurate updates in ITSM tools (e.g., PBM tickets, trackers) with qualitative details
• Proactively identify improvement opportunities and incident management
• Perform root cause analysis and implement permanent fixes to reduce recurring issues
• Support and maintain Active Directory Federation Services (ADFS) and related identity authentication workflows
• Troubleshoot & coordinate applications issues hosted on Windows Server environments (2012 through 2025)
• Support application deployments, configuration changes, patches, and upgrades and post change related activities
• Manage and support integrations
• Maintain applications deployed in Microsoft Dynamics 365 ecosystem
• Provide vulnerability management and mitigation across the application stack, including patching, configuration hardening, and remediation activities
• Collaborate with external infrastructure teams, vendors, and business stakeholders for issue resolution, maintenance activities, Application-level testing, DR Drills and co-ordination for other activities
• Ensure that system documentation, knowledge articles, and operational run books for all sustained applications is kept up to date following any activities that involve changes to the application and is reviewed annually.
• Track and monitor recurring or large-scale incidents, providing regular status updates, impact analysis, and coordinated reporting to stakeholders
• Contribute to weekly reporting, dashboards, and operational reviews 
• Develop strategic plans for improving application’s security posture, reliability, vulnerability mitigation, life cycle management (EOL).
• Identify opportunities for automation and continuous improvement
• Participate in on-call rotations and high priority, major incident support as required
• Ensure compliance with organizational security policies, and ensure compliance with frameworks like DSPF, ISM, essential 8 maturity level 2 and other industry best practices
• Complete organization mandated and customer trainings

Experience and Qualifications:

• Experience with Enterprise Content Management platforms (e.g. OpenText or similar)
• Experience supporting SharePoint-based solutions, including both out-of-the-box and custom applications
• Experienced in working for Defence or other high security organizations
• Strong experience with COTS application support and sustainment
• Strong experience is supporting Microsoft application stack
• Hands-on experience with incident, problem, and change management (ITIL framework) 
• Experience with ITSM tools (e.g., ServiceNow, Remedy, or HP service manager) is preferred
• Hands-on experience with Active Directory Federation Services (ADFS), including configuration and troubleshooting
• Strong troubleshooting skills across application and infrastructure layers 
• Solid experience supporting and troubleshooting Windows Server (2012–2025) environments
• Experience with Microsoft Dynamics 365 application administration and support. Knowledge on plug ins, classic workflows, JavaScript extensions to forms, web API is mandatory.
• Experience in Programming knowledge like C#, .NET platform is essential
• Experience in web programming skills like HTML, JavaScript, CSS, Typescript, React and SPFx and experience with web debugging
• Basic knowledge of Azure Functions, message brokers / messaging systems and cloud-integrated application components
• Knowledge of IIS, Apache Tomcat administration and troubleshooting
• Experience with or exposure to OpenText xECM (Extended ECM) is highly desirable
• Experience with monitoring, logging, and alerting tools. Familiarity with Dynatrace, Nagios, Selenium, Splunk or similar application performance monitoring tools is advantageous
• Strong troubleshooting and analytical skills
• Scripting or automation (using PowerShell or similar) is advantageous
• Strong communication and stakeholder management abilities
• Analytical thinking with a proactive problem-solving mindset
• Ability to work independently and collaboratively in cross-functional teams
• Effective time management and prioritization skills
• Ability to manage prioritisation (P1–P4 tickets) and escalation effectively 

Our Culture and Benefits

DXC is committed to building better futures for our customers, colleagues, environment, and communities. We take care of each other and foster a culture of inclusion, belonging and corporate citizenship. We put this to action developing and implementing societal initiatives within our Social Impact Practice. #WeAreDXC

As an employer of choice, our “people first” philosophy means we offer competitive remuneration, benefits, training and career opportunities that reflect our commitment to improving the lives of our employees, and the communities in which we live and work. Some of these include;

• Extensive resources to support your onboarding and continual development including DXC University

• We know that great people refer great people. We will reward you when you bring your friends and family to work at DXC

• More time to do the things you love with flexible leave options, including purchased leave

• Take time to give back with charitable and emergency services volunteer days

• Well-being matters to us and our Employee Assistance Program is there to support you and your family

• And of course, all the basics; novated leasing, discounted health insurance, paid parental leave and many other discounts

We are an Equal Opportunity Employer

DXC is proud to be an equal opportunity employer and we welcome submissions from people from all walks of life. We celebrate our diversity and recognise it is the unique contributions of our people that give us our edge. We stand by the ‘bring your whole-self to work’ philosophy. It is our inclusive culture that powers our results, and our company grows only if our people grow.

Accommodation of special needs for qualified candidates may be considered within the framework of the DXC Accommodation Policy. In addition, DXC Technology is committed to working with and providing reasonable accommodation to support qualified individuals with physical and mental disabilities.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.

Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here.