Senior Systems Operations Engineer

About the role

Day-to-day: Monitor and support messaging/email infrastructure, respond to incidents, troubleshoot Linux systems, manage SMTP routing and Proofpoint/Cloudmark configurations, analyze delivery issues

You'll bring: Bachelor's degree in CS/IT or equivalent experience, several years systems operations or messaging operations, strong Linux administration, deep SMTP/DNS/SPF/DKIM/DMARC knowledge, Proofpoint or Cloudmark experience

Good fit if: Experience with mail relays, gateways, connectors, TLS certificate management, production incident management processes, and automation scripting

Generated from the recruiter description below. The full posting is the source of truth — always read it before applying.

About Client:
The client is a global consulting, technology, and digital firm specializing in the financial services industry. Established in 2001, the company provides innovative solutions to help clients navigate digital transformation, enhance operational efficiency, and achieve strategic objectives. With a focus on banking, capital markets, and insurance, it leverages cutting-edge technologies such as blockchain, artificial intelligence, and data science to deliver customized IT solutions and business consulting services.
The company's commitment to innovation, combined with its industry expertise, positions it as a leader in driving technological advancements and helping financial institutions stay competitive in a rapidly evolving market.

Rate Range: $50-$51/Hr

Job Description:

• We are seeking a Senior Systems Operations Engineer with strong experience in product operations, messaging infrastructure, Linux administration and SMTP routing. The ideal candidate will be responsible for maintaining, optimizing, and supporting business-critical messaging platforms while ensuring system reliability, security, and operational excellence.
• This role requires a combination of systems engineering, application support, troubleshooting, automation, and cross-functional collaboration skills.

Key Responsibilities:

• Manage and support messaging and email infrastructure in production environments.
• Perform day-to-day product operations, including monitoring, incident response, service validation, and operational support.
• Administer and troubleshoot Linux-based systems and services.
• Configure, maintain, and troubleshoot Proofpoint and Cloudmark messaging and email-security solutions.
• Design, implement, and maintain SMTP routing, relays, gateways, connectors, and mail-flow configurations.
• Analyze email delivery issues, including bounces, delays, rejections, spam classifications, and routing failures.
• Monitor system health, performance, availability, capacity, and message-processing workflows.
• Investigate and resolve production incidents using structured root-cause analysis.
• Develop scripts and automation to improve operational efficiency and reduce manual processes.
• Implement and maintain operational procedures, runbooks, support documentation, and knowledge articles.
• Support upgrades, patches, configuration changes, migrations, and production deployments.
• Collaborate with engineering, security, network, infrastructure, and support teams to resolve complex issues.
• Ensure messaging systems meet security, compliance, availability, and performance requirements.
• Participate in on-call rotations and provide timely support for critical production issues.
• Identify opportunities to improve monitoring, alerting, reliability, and overall product operations.

Required Qualifications:

• Bachelor s degree in Computer Science, Information Technology, Engineering, or a related field; equivalent experience may be considered.
• Several years of experience in systems operations, production support, messaging operations, or systems development.
• Strong hands-on experience with Linux operating systems and command-line administration.
• Solid understanding of email and messaging technologies, including:
  • SMTP
  • DNS and MX records
  • SPF, DKIM, and DMARC
  • TLS and certificate management
  • SMTP authentication
  • Mail queues and delivery status codes
  • Email reputation and anti-spam controls
• Experience with SMTP routing, mail relays, gateways, connectors, and mail-flow troubleshooting.
• Experience supporting Proofpoint and Cloudmark products or comparable messaging-security platforms.
• Strong troubleshooting, analytical, and problem-solving skills.
• Experience working in production environments with incident, change, and problem-management processes.

About ApTask:
ApTask is a leading global provider of workforce solutions and talent acquisition services, dedicated to shaping the future of work. As an African American-owned and Veteran-owned company, ApTask offers a comprehensive suite of services, including staffing and recruitment solutions, managed services, IT consulting, and project management. With a focus on excellence, collaboration, and innovation, ApTask provides unparalleled opportunities for professional growth and development. As a member of the ApTask team, you will have the chance to connect businesses with top-tier professionals, optimize workforce performance, and drive success across diverse industries. Join us at ApTask and be part of our mission to empower organizations to thrive while fostering a diverse and inclusive work environment.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Candidate Data Collection Disclaimer:
At ApTask, we prioritize safeguarding your privacy. As part of our recruitment process, certain Personally Identifiable Information (PII) may be requested by our clients for verification and application purposes. Rest assured, we strictly adhere to confidentiality standards and comply with all relevant data protection laws. Please note that we only collect the necessary information as specified by each client and do not request sensitive details during the initial stages of recruitment.

If you have any concerns or queries about your personal information, please feel free to contact our compliance team at compliance@aptask.com.

Applicant Consent:
By submitting your application, you agree to ApTask's (https://aptask.com) Terms of Use and Privacy Policy, and provide your consent to receive SMS and voice call communications regarding employment opportunities that match your resume and qualifications. You understand that your personal information will be used solely for recruitment purposes and that you can withdraw your consent at any time by contacting us at 732-355-8000 or help@aptask.com. Message frequency may vary. Msg & data rates may apply

About operations at ApTask

Operations roles at ApTask cover program management, PMO, business analysis, transformation, and change-management positions across enterprise clients. We place operators who translate strategy into delivery — PMPs, Scrum Masters, agile coaches, Six Sigma black belts, and change-management practitioners certified in Prosci or the client's preferred framework. Candidates are validated against the specific enterprise tooling the client runs (ServiceNow, Jira Portfolio, Clarity, Planview) and their prior track record in comparable-scale programs, not generic delivery experience.