Lead Middleware Engineer

Lead Middleware Engineer

Location: Roseland, New Jersey (3 days in office/2 remote)

Employment Type: 12+ month Contract

Role Overview

We are seeking a Lead Middleware Engineer to join a growing team focused on the availability, performance, and capacity of key middleware tools. This role will lead the middleware platform strategy, designing, implementing, and supporting enterprise integration solutions using IBM Sterling File Gateway (SFG) and IBM App Connect Enterprise (ACE). The position involves overseeing integration development and ensuring secure, reliable file transfers and message routing.

Key Responsibilities

• Lead the design, development, and support of global integration solutions, including IBM SFG and IBM ACE.
• Manage and maintain middleware infrastructure for high availability, security, and performance.
• Develop B2B file transfer workflows, partner onboarding processes, and data transformations.
• Support IBM Sterling Gateway (SFG) requests and manage partner onboarding, routing channels, and business process modeling.
• Implement message flows, error handling, and integration patterns using IBM ACE.
• Provide technical leadership and mentorship to a team of integration developers and engineers.
• Collaborate with application, infrastructure, security, and business teams to define requirements.
• Monitor and troubleshoot middleware issues, performing root cause analysis to drive resolutions.

Required Qualifications

Experience:

• 5+ years of experience in Middleware or Enterprise integration roles.
• Experience supporting IBM Sterling Gateway (SFG) and proficiency with partner onboarding, routing channels, and business process modeling.
• Strong understanding of file transfer protocols (SFTP, AS2, FTP/S), B2B integration standards, and security (TLS, PGP).
• Experience working in an AWS environment.

Technical Skills:

• Hands-on experience with IBM Sterling File Gateway (SFG).
• Proficiency with scripting languages such as Shell or Python for automation.
• Familiarity with DevOps practices, CI/CD pipelines, and automation tools.
• Proficiency in troubleshooting message flows and system logs.

Preferred Qualifications

• Experience with IBM App Connect Enterprise (ACE), including message flows, ESQL, and integration nodes.
• Experience with containerized deployments.
• Familiarity with monitoring tools such as Splunk or Dynatrace.
• Knowledge of other cloud integration platforms (Azure, GCP).
• Bachelor's degree in Computer Science, Information Systems, or a related field.

Compensation & Benefits

Pay Rate: $75.00 - $83.50 per hour.

This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Apex uses a virtual recruiter as part of the application process. Click here for more details.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or View phone number on click.appcast.io.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or View phone number on click.appcast.io. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

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