L3 Application Support Engineer
$115k - $120kTata Consultancy Services
Job Summary The L3 Application Support Engineer will provide advanced production support for business critical applications built using Java, Spring Boot, and Angular. This role focuses on deep technical troubleshooting, root cause analysis, and permanent fix implementation, working closely with development, infrastructure, and DevOps teams to ensure high availability and performance of applications. Key Responsibilities Provide L3 production support for enterprise applications developed using Java, Spring Boot, and Angular. Perform in-depth root cause analysis (RCA) for recurring and complex incidents. Debug application issues related to APIs, microservices, backend logic, and frontend components. Analyze logs, stack traces, database issues, and performance bottlenecks. Implement bug fixes, patches, and minor enhancements in coordination with development teams. Support production deployments, releases, hotfixes, and post-release validations. Work with L2 support teams to guide issue triage and resolution. Ensure adherence to SLAs, incident management, and change management processes. Participate in on-call and rotational shifts as part of 24x7 support coverage. Maintain and improve support documentation, runbooks, and SOPs. Proactively identify stability, performance, and security improvements. Qualifications 6–10 years of relevant application support and development experience. Proficiency in Java, Spring Boot, and Angular. Experience with production support, incident management, and change management. Strong analytical, debugging, and problem‑solving skills. Ability to work collaboratively with development, infrastructure, and DevOps teams. Knowledge of database performance in a production environment. Desired Candidate Profile: BACHELOR OF COMPUTER SCIENCE. Location Mount Laurel, NJ Shift Rotational shifts may be required. Salary $115,000–$120,000 a year #J-18808-Ljbffr
$115k - $120k
...L3 Application Support Engineer Technology Stack: Java, Spring Boot, Angular Experience: 610 years (relevant application support & development experience) Shift: Yes may require rotational shifts Job Summary The L3 Application...SuggestedPermanent employmentShift work$160k - $178k
...Overview Senior Application Support Engineer Location: Annapolis Junction, MD (Hybrid) Clearance: Public Trust (Level 4; High-Risk) Integral Federal is looking to hire a Senior Application Support Engineer to support the Transportation Security Administration...SuggestedTemporary workLocal areaImmediate startRemote workFlexible hoursShift work$86.6k - $181.8k
Job ID327142Job Title: Application Engineer 3-TS/SCI with PolyJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required... ...project.Responsibilities:This is a blended junior position supporting NiFi engineering, customer onboarding, health and status...SuggestedContract workWork experience placementFlexible hoursShift work- ...Quevera is seeking an Applications Engineer IV (Kovr AI) to join our team. At Quevera, we don't just offer jobs-we provide opportunities to... ...Responsibilities: • This position will provide application engineering support to evaluate the utility and effectiveness of large language...SuggestedTemporary workShift work
$123.75k - $181.25k
...North American Sales Division is currently seeking a Federal Applications Engineer to join its team. This position can be located in Hanover,... ...technical sales within the federal government market while supporting advanced power distribution solutions. It offers hands-on...SuggestedPermanent employmentFull timeH1bLocal areaRelocationVisa sponsorship- ...Building Automation System (BAS) Application Engineer II Conquest Solutions, LLC (CQS) is a leading application and engineering consulting... ...Building Automation System (BAS) Application Engineer II to support the engineering, programming and implementation of BAS for multiple...For contractorsFor subcontractorLocal areaFlexible hours
- ...Senior Full-Stack AI Application Engineer - iOS & VisionOS Emphasis Lanham, Maryland, United States AST SpaceMobile is building the first... ...vision, machine learning, and immersive 3D interfaces to support engineering, manufacturing, and operational workflows. You...Work at officeLocal area
$63.5k - $108.8k
...POSITION PURPOSE The Applications Engineer - Data Centers is responsible for providing timely and knowledgeable technical solutions as well... ...Engineer Data Centers provides technical applications support and customized quotes to BAC representatives and customers in...Full timeInternshipWork at office- ...Job Description Job Description Application Systems Engineer (IBM TRIRIGA / Maximo MREF) Location Within 50 miles of a NASA Center Brown... ...rapidly growing company with a proven record of success supporting complex cutting-edge development programs. We are an...Remote jobTemporary workWork at officeFlexible hours
- ...Application Developer Reflexive Concepts is seeking a skilled Application Developer to... ...Master's Degree in Computer Science, System Engineering or related field may substitute for two... ...as a senior technical contributor supporting the configuration and customization of...
- Job Title Required (*Need to have 1 of these qualifications*): Linux system administration (Centos7, RedHat8) Experience with administering a NiFi cluster Experience with Docker Experience with Terraform code Configuring, deploying and administrating...
- ...Quevera is seeking an Applications Engineer IV to join our team. At Quevera, we don't just offer jobs-we provide opportunities to be part of... ...• Work closely with the Data Analytics team to provide support to the Tools and Infrastructure teams • Create and maintain...
$180k - $197.5k
...where your contributions truly make a difference! Application Engineer IV! Active TS/SCI with Polygraph required BS in... ...: • Work closely with the Data Analytics team to provide support to the Tools and Infrastructure teams • Create and maintain...Contract workWork experience placementImmediate start- ...Civilian and Military expertise to every case. We are hiring an Application Engineer 4 (Splunk) to work in Laurel, MD . Position location is... ...: Work closely with the Data Analytics team to provide support to the Tools and Infrastructure teams Create and maintain...Local areaWork from homeFlexible hours
- ...Application Engineer IV (Analytics) Annapolis Junction, MD ( Description Synergy is looking for an experiencedApplication Engineerto work are part of a STE/STN initiative, developing capabilities to shift from the current manual system security evaluation and authorization...Work at officeImmediate startFlexible hoursShift work
$10k
...DoD's most complex technical challenges. Every day, ClearEdge supports government and industry customers by delivering innovative... ...technology lab. Learn more at Your Mission: As an Application Engineer IV , you will play a vital role in developing, securing, and...$178k - $260k
...Kaizen Approach is currently looking to hire an Applications Engineer (Senior) responsible for designing software tools and subsystems to support software reuse and domain analyses while managing their implementation. This role involves overseeing software development...Contract workWork experience placementCurrently hiring- ...Application Engineer IV Reflexive Concepts is seeking a skilled Application Engineer IV to join our team! Qualifications: Eight (8) years of experience supporting projects and programs similar in scope and complexity Bachelors Degree in Computer Science...
- ...and Military expertise to every case. We are hiring an Application Engineer 4 (Linux VMs) to work in Laurel, MD . Position location is... ...Description: Work across multiple hosting platforms supporting Linux VMs. This position allows you to learn about the product...Local areaWork from homeFlexible hours
- ...integration, environment configuration and deployment as well as supporting the project’s compliance and security posture. - Focus on... ...provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of...Temporary workLocal areaShift work
- ...Application Engineer IV (Data Managment Team) Annapolis Junction, MD ( Description Synergy is looking for an experiencedApplication Engineer IVto work as part of a STE/STN initiative, developing capabilities to shift from the current manual system security evaluation...Work at officeImmediate startFlexible hoursShift work
- ...ClearEdge IT Solutions, LLC in Laurel, Maryland is seeking an Application Engineer IV to develop cutting-edge analytic systems for government... ...package, including training allowances and 401(k) contributions, is offered to support your continuous growth. #J-18808-Ljbffr...
- ...MANTECH seeks a motivated, career and customer-oriented Application Security (AppSec) Engineer to join our team in Hanover, MD. The Application... ...their strong technical background and knowledge to support software assurance and security initiatives for a mission...Work at office
$93k - $140k
...with flight hardware. TCOM is seeking an Embedded Software Application Engineer to design and develop software that runs on our airborne and... ...applications that integrate closely with hardware and support real-time telemetry, control systems, and mission operations...Work at officeLocal areaRemote workOverseasFlexible hours$10k
...Software Engineer / Data Analyst When you love the work you do, any mission is possible... ..., you will design, develop, and deploy applications that leverage AI/ML technologies, automation... ..., enhance existing systems, and support the delivery of production-ready capabilities...Extra income- ...capacity. Xometry is seeking a driven and technically-minded Application Engineer, Injection Molding to join our team. In this role, you'll... ...our customers, sales team, and engineering efforts, supporting a diverse range of industries including aerospace, defense,...
$90k - $110k
...Applications Engineer Phillips Corporation is looking for an Applications Engineer to join our amazing Phillips Additive Hybrid division.... ...functionally with Sales, Service, Engineering, and Marketing to support customer acquisition, onboarding, and retention. Create...Remote workMonday to Friday- ...Application Engineer We are seeking a skilled and experienced Application Engineer to design, develop, implement, and maintain software tools and subsystems in support of software reuse and domain analyses. As an Application Engineer you will utilize formal specifications...Relocation packageFlexible hours
$86k - $111k
...metal cost estimator to our Pre-Sales Engineering team. The sheet metal cost estimator is... ...supplier sourcing, production planning, and supporting on-time order fulfillment. A successful... ...standards, technologies, and machining applications Reviewing customer RFQs to determine...$141.5k - $236k
...Application Security Engineer Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing... ...their strong technical background and knowledge to support software assurance and security initiatives for a mission-...Hourly payContract workTemporary workWork experience placementWork at officeLocal areaRemote work
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