476 Senior Mainframe Developer jobs in Reisterstown,MD

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Senior Software Engineer (SWE-3)

Leidos

Catonsville, MD 21228

~ 24 min OnsiteFlexible SchedulePaid Time OffRetirement Benefit

Bachelor's degree plus eleven (11) years of relevant experience or equivalent.
Strong experience with Jupyter Notebooks, Java MapReduce, Python PySpark.
Strong experience with statistical analysis and machine learning fundamentals, strong experience with customer tools, architecture, data flow, and use of big data.
Proficiency with Jira, Confluence, Gitlab; experience with Agile methodologies.
Security Clearance : Must possess an active TS/SCI with Polygraph to be considered for this role.

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New, Posted 3 hours ago

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Senior Estimator/Project Manager, Harrisburg-Delaware

The H&K Group

Finksburg, MD 21048

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Senior Systems Engineer

Leidos

Glenwood, MD 21738

RemoteFlexible SchedulePaid Time OffRetirement Benefit

BS in Engineering, Computer Science, Systems Engineering, or related field
Equivalent experience with 12+ years in software development, system engineering or related field
Additional years of experience in lieu of degree are acceptable.
Must have an active Top Secret//SCI security clearance with the ability to obtain and maintain a Polygraph.
Experience with creating design packages and workflows
Experience in writing technical solutions and whitepapers
Experience implementing key Agile processes and techniques
Experience with facilitating scrum for the team (Planning, Retrospective, Grooming & Review/Demo)
Experience with Gitlab (workflow), JIRA, Confluence, or similar tools
Familiarity with a MBSE approach and tools or experience with framework/approach like MBSE

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Senior Relay Engineering Analyst

Constellation Energy

Owings Mills, MD 21117

~ 14 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree in a technical discipline (Computer Science, Computer Science Engineering, Engineering Technology, etc) and 6 years of related industry experience OR
Associate's degree in a technical discipline (Computer Science Engineering, Engineering Technology, etc) and 8 years of related industry experience OR
High school diploma/GED and 9 years of power or related industry experience with 6 of the 9 years at the exempt-level
Working knowledge of engineering processes and systems required for the specific functional area
Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

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New, Posted 15 hours ago

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Senior Site Safety Manager

Lemartec Corporation

Baltimore, MD 21215

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Senior Electrical Engineer

Johnson Controls

New Freedom, PA 17349

Onsite

BS in Electrical Engineering or related field; minimum of 4 years' experience
5+ years of professional experience

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Senior Caregiver

Care.com

Windsor Mill, MD 21244

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Senior Reactor Operator

Constellation Energy

Shrewsbury, PA 17361

$159,000-$182,000/yr

$10,000 bonus

Paid Relocation to Shrewsbury, PA

OnsiteHealth InsurancePaid Time OffRetirement Benefit

High school diploma/GED
1 year Reactor Operator license at a comparable facility or 1.5 years at a noncomparable facility. Comparable is PWR to PWR or BWR to BWR and noncomparable is PWR to BWR or BWR to PWR.
1.5 years or more in a position equivalent to Reactor Operator (or Supervisor) at a military reactor (i.e., Power Plant Watch Engineer, Engineering Watch Supervisor, Reactor Operator, Engineering Officer of the Watch, Propulsion Plant Watch Supervisor). Must have 1.5 years after qualification.
Degree from a 4-year program or equivalent in engineering, engineering technology, or physical sciences, or professional engineer license, and more than 1.5 years as a qualified non-licensed operator or Staff member, Supervisor or Manager in work control, operations, engineering, outage management, maintenance, radiation protection, chemistry, or accredited training at a comparable (BWR or PWR) facility. Managerial, staff engineer, or supervisor experience at a noncomparable plant may be credited on a 1.5:1.0 basis (i.e., over 2.25 years required for noncomparable facility), and 3 years required for a nontraditional degree.
Current or previous SRO Instructor certification and 4 years of experience at a comparable facility or 6 years of experience at a non-comparable facility.
Maintain minimum access or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

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Senior Oncology Account Manager, Hematology - Washington, D.C.

Disability Solutions

Baltimore, MD 21215

New, Posted 11 hours ago

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Senior Manager, Experience Strategy & Web Performance

Covista

Columbia, MD 21046

Hybrid~ 37 minHealth InsurancePaid Time OffRetirement Benefit

Bachelor's Degree in Marketing, Digital Media, Communications, Human‑Computer Interaction (HCI), User Experience, Business, Information Systems, or a related field required.
At least 7 years experience leading website, UX, digital experience, or performance-focused roles with strategic scope.
Proven experience managing UX and CRO teams in enterprise environments.
Website user experience and usability principles
Website conversion and on-site user behavior
Enterprise CMS platforms (e.g., Sitecore, AEM, Drupal)
Experimentation platforms (e.g., Optimizely)
Web analytics tools and data interpretation
Demonstrated ability to analyze data, diagnose issues and drive performance improvements.
Knowledge of web governance best practices, including accessibility and compliance standards.
Strong business acumen with the ability to connect experience decisions to measurable outcomes.
Experience operating effectively in complex, highly matrixed organizations.
Strong executive communication and influence skills.
Self-directed, adaptable and comfortable navigating ambiguity and change.

SmartExplore AI is experimental.