{"id":1220153,"url":"https://alion.io/job/dtcc-senior-application-support-engineer-distributed-mainframe","title":"Senior Application Support Engineer – Distributed & Mainframe","company":{"id":1759477,"name":"Depository Trust & Clearing Corporation","domain":"dtcc.com","url":"https://alion.io/company/dtcc-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":null},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dallas, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":84000,"max_usd":179000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":213},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ITIL","optional":false},{"name":"SQL","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-09-24T21:30:57Z","employer_posted_date":"2026-09-24","last_verified_at":"2026-09-26T20:10:10Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Are you ready to make an impact at DTCC?\nDo you want to work on innovative projects, collaborate with a dynamic and supportive team, and receive investment in your professional development? At DTCC, we are at the forefront of innovation in the financial markets. We are committed to helping our employees grow and succeed. We believe that you have the skills and drive to make a real impact. We foster a thriving internal community and are committed to creating a workplace that looks like the world that we serve.\nThe Information Technology group delivers secure, reliable technology solutions that enable DTCC to be the trusted infrastructure of the global capital markets. The team delivers high-quality information through activities that include development of essential, building infrastructure capabilities to meet client needs and implementing data standards and governance.\nPay and Benefits:\nCompetitive compensation, including base pay and annual incentive\nComprehensive health and life insurance and well-being benefits, based on location\nPension / Retirement benefits\nPaid Time Off and Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being.\nDTCC offers a flexible/hybrid model of 3 days onsite and 2 days remote (onsite Tuesdays, Wednesdays and a third day unique to each team or employee).\nThe Impact You Will Have in This Role\nAs an Senior Associate Application Support Engineer, you will play a key role in supporting mission-critical applications across mainframe and distributed platforms that are essential to everyday business operations.\nYou will work in a hands-on production support environment focused on system stability, incident resolution, and continuous improvement. This role offers strong exposure to enterprise systems and provides an opportunity to build expertise in application support, root cause analysis, and platform reliability.\nYour Primary Responsibilities:\nAnalyze application issues and incidents to identify root causes and prevent recurrence\nProvide day-to-day production support for applications across mainframe and distributed environments\nMonitor application dashboards and alerts to proactively identify and mitigate potential issues\nCollaborate with team members to resolve application alerts and escalate when necessary\nMaintain and enhance runbooks, knowledge base, and standard operating procedures\nSupport batch processing, job scheduling, and automation, ensuring processes meet expected thresholds\nExecute Disaster Recovery (DR) procedures during planned or unplanned outages and capture required documentation\nProvide input into application design by identifying gaps and improving supportability and reliability\nPerform routine operational activities such as service account maintenance (e.g., password rotations)\nResolve production defects and support minor enhancements as needed\nSupport audit requests by gathering required documentation and evidence\nFollow risk and control processes as part of daily responsibilities and escalate issues appropriately\nQualifications\nBachelor’s degree preferred or equivalent practical experience\n6-8 years of experience in application support, production support, or similar role\nTalent Needed for Success\nHands-on experience in application or production support environments\nExperience supporting mainframe applications (required)\nWorking knowledge of Unix/Linux and Windows environments\nWorking knowledge of Unix/Linux, Windows, Mainframe, and SQL/PLSQL\nFamiliarity with SQL and relational databases\nExposure to monitoring and observability tools\nStrong problem-solving, troubleshooting, and root cause analysis skills\nExperience with incident, problem, and change management processes (ITIL preferred)\nFamiliarity with job scheduling and batch processing systems\nBasic understanding of application architecture and development concepts\nStrong communication skills and ability to collaborate across teams\nAbility to work in a fast-paced production support environment with a strong sense of ownership and urgency\nThe salary range is indicative for roles at the same level within DTCC across all US locations. Actual salary is determined based on the role, location, individual experience, skills, and other considerations. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.","description_format":"text","description_chars":4842,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":["Life insurance","Professional development"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Stock Exchanges & Market Infrastructure","Custody & Fund Administration"],"lifecycle":[{"event":"open","at":"2026-09-25T11:46:11Z"}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":58,"reasons":["conf:3","win:early","comp:brand"],"computed_at":"2026-09-26T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/dtcc-senior-application-support-engineer-distributed-mainframe","json_url":"https://alion.io/job/dtcc-senior-application-support-engineer-distributed-mainframe.json","meta":{"generated_at":"2026-09-27T02:16:17Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":2045,"day_limit":5000,"remaining_today":2955,"minute_limit":60,"resets_at":"2026-09-28T00:00:00Z"}}}