Principal Application Support Engineer, IBM z/OS Platform

November 22

⚔️ Virginia – Remote

Although this job is listed in Virginia, this company may be open to hiring remote in other states.

💵 $143.6k - $161.2k / year

⏰ Full Time

🔴 Lead

💻 Application Engineer

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ATPCO

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ATPCO is a leading provider in the airline industry, specializing in airline merchandising and pricing data. The company offers innovative solutions that enable modern retailing for airlines by creating, distributing, and settling offers efficiently. With a reputation as the primary source for airline data systems, ATPCO supports airlines in revenue management and strategy through tools like Pricing Architect and Express Contracts. They facilitate the consistent flow of data across the airline ecosystem with reliable APIs and NDC solutions. By leveraging data collaboration and technology, ATPCO helps airlines achieve their business goals through enhanced revenue management, order servicing, and merchandising services.

201 - 500 employees

🚗 Transport

📋 Description

• Provide 24x7 Tier 2 support for all ATPCO applications and systems during both day and night oncall rotations, including weekends and holidays • Serve as the technical lead for diagnosing and resolving critical production incidents in mainframe and distributed applications. • Proactively resolve complex technical issues, managing multiple tasks while ensuring timely and quality results. • Act as a technical mentor and resource for engineering teams, providing guidance on best practices and fostering team collaboration. • Stay current with emerging technologies, driving continuous improvements in development processes and application delivery. • Collaborate cross-functionally to meet business objectives, ensuring smooth communication between teams and stakeholders • Share knowledge with peers and the wider organization, contributing to a culture of continuous learning and improvement. • Develop proactive monitoring, alerting, and self-healing capabilities for applications and APIs. • Analyze operational trends, volume surges and application logs to anticipate issues before they impact customers. • Manage Severity 1 and 2 incidents and outages—from initial troubleshooting, vendor engagement, and outage communication to escalation and bridge management—ensuring effective internal and external communication and customer satisfaction. • Provide support during business hours for non-production environments. • Perform application and database maintenance activities such as MPM data uploads, historical data migrations, back-door data fixes, and addressing customer subscription data processing issues. • Maintain and update COBOL programs and JCL. • Maintain a deep understanding of the ATPCO enterprise environment to quickly diagnose and resolve issues, while staying informed about changes to ATPCO applications and technologies • Collaborate with PSS Tier 1 to maintain and optimize Control-M/EM batch processing jobs. • Monitor systems such as ServiceNow, Splunk On-Call, application alerts, and group emails, and respond to issues in a timely manner. • Monitor scheduled Applications performance metrics and prepare ad hoc reports for IT management using DB2 SQL and other tools as needed.

🎯 Requirements

• Minimum of 8+ years of IBM mainframe and distributed web/cloud-based application support experience in a 24x7 environment, including nights, weekends, and holidays • Proven track record in IT Operations and Application Production Support within complex enterprise environments. • IBM DB2 skills (SQL queries, stored procedures, performance tuning) • Redis, Neo4J, MySQL, MongoDB, IBM Job Control Language (JCL) • Shell scripting, COBOL, CICS, J2EE, Java batch, Control-M/EM Enterprise Scheduler, Linux, z/OS (TSO/ISPF) • VMware, MQ Series, WebSphere, J2EE Applications structure familiarity, ServiceNow • Monitoring Tools: (Grafana, Splunk, Dynatrace, site24x7, SolarWinds, AWS CloudWatch) • XML, JDBC, experience in parsing Linux logs, $AVRS, BMC MainView. • Excellent analytical, troubleshooting, and problem-solving skills. • Excellent oral and written communication skills for technical and non-technical stakeholders. • Strong business acumen with the ability to quickly understand operational and business incident impact

🏖️ Benefits

• Remote-First Culture – Flexibility to work from home in your country of hire • “Leave Your Way” PTO– Take the time you need, when you need it • 401(k) with Generous Employer Match– Invest in your future • Comprehensive Benefits– Medical, dental, vision, & mental health • Global Tuition and Gym Reimbursement– Learn and grow on us • Standby Flight Program– Explore the world • Inclusive, Collaborative Culture– Be seen, heard, and valued