Senior Integration Developer

Are you anengineeringmindedconsultant who loves diving into messy infrastructures building whatdoesntexist and helping clients navigatemissioncriticaltransformations If so read on!

About Us
Ifitshigh-stakes high-security orhighly complexOxalis is built for consulting and technology partner for the organizations that keep the world running: life sciences shipyards government agencies health systems aerospace programs and manufacturers with missions too critical to fail. We serve the people behind the missionthose building healing defending and delivering where it matters most. As a Platinum Solution Partner for Atlassian and a trusted systems integrator for IFS we specialize in secure cloud transformation IT service management ERP modernization and Operational strategy. We focus especially on organizations navigating compliance-heavy environments and complex change.

About the Role
As a Senior Integration Developeryou will drive technical execution on complex enterpriseengagements. Whenprojectshit blockers missing integrations broken automations gaps between what the platform supports and what the business needs you solve them. That means writing scripts building integrations from scratch reverse-engineering configurations and engineering your way through problems that off-the-shelf toolingcanthandle.

You will work hands-on across the fullengagementlifecycle: assessing environmentsidentifyingtechnical risk closing capability gaps andvalidatingoutcomes. Over time that technical credibility is what earns you the role of trusted advisor and modernization partner to client stakeholders someone who can communicate decisions and tradeoffsclearly andhelp organizations see a path forward when the technology gets complicated.

Key Responsibilities
Technical Execution & Problem Solving

• Identifyand resolve technical blockers across all phases of migration from pre-migration assessment through post-cutover stabilization.
• Reverse-engineer existing configurations workflows automations and integrations to understand what must be rebuilt replaced or retired in the cloud.
• Build custom tooling scripts and integrations where vendor-supported solutions fall short owning the solution end to end.

Infrastructure & Systems Engineering

• Windows and Linux environments server administrationpermissionsmanagement service configuration and troubleshooting.
• SSHand remote access tooling to manage and diagnose infrastructure in hybrid and cloud environments.
• Manage environment variables startup scripts daemons and scheduled tasks across platforms.

Scripting Automation & Development

• Writeandmaintainscripts inPython PowerShell Bashor comparable languagesto support migration validation data cleanup and operational automation.
• Build reusable accelerators and utilities that improve delivery efficiency across engagements.

Data Integrations & APIs

• REST andGraphQLAPIs interacting with platformsextractingand transforming datavalidatingmigration outcomes and building or replacing integrations.
• SQL validating data integrity and migration accuracy.
• Work with cloud-native integration patterns webhooks OAuth event-driven architectures to replace or redesign on-premises integrations.

Atlassian Platform & Migration

• Own technical solutions and execution on Atlassian engagements designing approaches resolving blockers and delivering outcomes hands-on.
• Support Atlassian migrations by providing technicalexpertisealongside JCMA and CCMA tooling stepping in where vendor solutions hit their limits.
• Evaluate and mitigate technical risks related to scale data integrity performance compliance and user experience.
• Plan and execute phased migrations test migrations cutover strategies and rollback plans.
• Identifyand close technical gaps where Atlassians native capabilities Marketplace apps or existing integrationsdontmeet business requirements building solutions where none exist.

Stakeholder Communication

• Translate technical decisions risks and tradeoffs into clear actionable guidance for both technical teams and business stakeholders.
• Own the technical narrative on your engagements from readiness assessments through post-migration reviews.

Pre-Sales & Practice Growth

• Support pre-sales engagements including migration assessments solution design estimates and proposal contributions.
• Contribute to Oxalis migration methodologies accelerators and internal knowledge base.
• Mentor consultants and share lessons learned across the practice.

About You

• Extensivehands-on technical experience in enterprise environments.
• Demonstratedclient-facing consulting experience.
• Linux and Windows systems administration permissions services startup processes and troubleshooting.
• SSHand remote infrastructure management in hybrid or cloud environments.
• REST andGraphQLAPIs building consuming and debugging integrations.
• Python PowerShell Bashor comparable languages writing real working code not justmodifyingsamples.
• SQL validating data integrity across migrations.
• Ability to communicate technical decisions and tradeoffs clearly to non-technical stakeholders.
• Bachelors degree in Computer Science Engineering or a related technical field or equivalent hands-on experience.

Preferred Qualifications

• Hands-on experience with Atlassian products Jira Confluence or Jira Service Management administration and configuration.
• Exposure to Atlassian Cloud migrations and familiarity with JCMA and/or CCMA.
• Atlassian Certified Professional or Associate certifications.
• Experience with identity and access management SSO SAML SCIM in cloud environments.
• Background in regulated or compliance-heavy environments (e.g. public sector healthcareaerospaceand defense).
• Experience with OAuth webhooks and event-driven integration patterns.
• Familiarity withGraphQLtooling (e.g. Postman Insomnia) or API gateway configurations.