ATPCO · 1 month ago
Principal Application Support Engineer (IBM z/OS Platform)
Herndon, VA
Full-time
Hybrid
Lead/Staff
$144K/yr - $161K/yr
8+ years expATPCO is the world's primary source for air fare content, holding over 200 million fares across 160 countries. As a Principal Application Support Engineer (IBM z/OS Platform), you will be responsible for the implementation, enhancement, and maintenance of ATPCO applications and services, collaborating with cross-functional teams to ensure high performance and reliability of software solutions.
Aerospace
Responsibilities
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
Qualification
Required
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
Ability to build rapport with team members, developing trust within the immediate team
Accepts and integrates constructive feedback positively
Cooperatively engages with peers to achieve shared goals
Requires understanding and general application of concepts, theories, and principles to the area of work
Absorbs new information systematically and applies it effectively
Engage in informal coaching and knowledge-sharing with colleagues and contribute to a collaborative and growth-oriented work environment
Background in Applications development and programming
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
Ability to take full ownership of production problems, anticipate and mitigate risks, escalate appropriately, and deliver workarounds under pressure
Proven ability to multi-task and prioritize urgent issues to meet SLA and KPI requirement
Strong knowledge of DB2 (SQL queries, stored procedures, Application SQL performance tuning)
Strong knowledge in JCL (Job Control Language)
Proficiency with TSO/ISPF/SDSF
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
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
Company
ATPCO
ATPCO is collection and distribution of fare and fare-related data for the airline and travel industry.
201-500 employees
H1B Sponsorship
ATPCO has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (22)
2024 (14)
2023 (12)
2022 (35)
2021 (19)
2020 (22)
Funding
Current Stage
Growth StageLeadership Team
William Andres
PRESIDENT & CEO Retired
Vince Palmiere, MBA, CPA
CFO
Recent News
phocuswire.com
2025-03-21
Company data provided by crunchbase