API Support Engineer – Tier 3

🔥 0 minutes ago

🇺🇸 United States – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

📞 Support Engineer

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This company has sponsored H1B visas in the past.

👻 Ghost score 25%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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DecisionPoint Corporation

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2011

🎖️ Defense

💼 Consulting

📦 Logistics

Defense • Consulting • Logistics

DecisionPoint Corporation is a Service Disabled Veteran Owned Small Business specializing in IT modernization and digital transformation for government agencies. They provide comprehensive services including cybersecurity, health IT, and intelligent automation solutions, aimed at improving operational efficiency and effectiveness while ensuring secure cloud migration. Their Centers of Excellence approach drives mission success by addressing the most pressing challenges faced by government entities through innovative technology and expert support.

📋 Description

• Resolve complex API issues escalated from Tier 1 and Tier 2 support, including endpoint failures, schema mismatches, and authentication problems • Triage enterprise-wide API incidents involving integrations, middleware, and downstream systems • Diagnose data mapping issues, payload inconsistencies, and transformation logic errors • Work with development and integration teams to reproduce issues and validate fixes • Support incident response by collecting logs, analyzing error patterns, and performing root cause analysis • Validate API behavior against OpenAPI/Swagger specifications, schemas, and version requirements • Assist in testing API changes, version upgrades, and integration adjustments before deployment • Document findings, resolutions, and recurring issue patterns in the enterprise knowledge base • Participate in Change Control Board processes when fixes affect production integrations • Provide guidance to application teams on API usage, integration best practices, and troubleshooting steps • Work with cybersecurity teams when API issues intersect with authentication, authorization, or data security concerns • Support monitoring and alerting improvements for API endpoints and integration workflows

🎯 Requirements

• Must hold an active Top Secret clearance, supported by a Tier 5 background investigation • Bachelor's degree in Information Systems, Computer Science, Software Engineering, or a related technical field • Minimum 6 years of experience in API support, backend troubleshooting, or application technical support • Experience diagnosing and resolving API defects, schema mismatches, and integration failures • Experience working with JSON schemas, OpenAPI/Swagger specifications, and API documentation • Experience troubleshooting authentication and authorization flows (OAuth2, SAML, JWT) • Experience supporting enterprise IT environments, preferably within federal or DoD missions • Strong knowledge of REST APIs, endpoint communication, and data structures • Familiarity with middleware, integration layers, and message brokers • Experience analyzing logs from API gateways, application servers, or integration pipelines • Understanding of data mapping, transformation, and error-handling logic • Familiarity with monitoring tools used for API health and performance • Required certifications: ITIL v4 Foundation and CompTIA Security+ • Strong problem-solving abilities for complex, multi-system issues • Excellent communication skills for interacting with developers, engineers, and stakeholders • High attention to detail and ability to work through ambiguous technical symptoms • Ability to document troubleshooting steps and resolution procedures clearly • Strong customer-service orientation with a mission-focused mindset