Senior DevSecOps Engineer, Linux Administrator

This is a fully remote position, open to applicants in United States.

📋 Description

• Deliver senior-level technical operational support, administration, and maintenance for production applications, middleware platforms, and infrastructure.

• Oversee DB2, including data ingestion, connectivity, access provisioning, and troubleshooting activities.

• Monitor the health of LDAP and disaster-recovery replication, which includes tracking replication status, database growth, disk utilization, and addressing service issues.

• Design and construct LDAP DR replication pipelines, resolving replication failures and ISVD/DB2 defects as necessary.

• Provide support for RHEL 8, JBoss, WebSphere, Nginx, NFS, and associated middleware technologies.

• Renew and configure SSL/TLS certificates and enhance system configurations.

• Assess and remediate vulnerabilities across operating systems, middleware, databases, and LDAP systems.

• Lead security compliance initiatives, which involve gathering ATO evidence, creating network flow diagrams, and managing CJIS/NCIC-related log activities.

• Establish secure configuration baselines using CIS Benchmarks and DISA STIGs, conducting periodic compliance assessments and documenting deviations.

• Monitor applications, infrastructure, and service alerts proactively.

• Maintain Ansible automation for service initiation, termination, validation, and health checks.

• Enhance monitoring, reliability, and operational processes continuously.

• Engage in troubleshooting and outage sessions that involve applications, databases, infrastructure, and performance elements.

• Execute software deployments, upgrades, patch management, and system modifications.

• Document issues, solutions, procedures, and technical processes thoroughly.

• Develop automation solutions to minimize redundancy and reduce user error.

• Collaborate with cross-functional and infrastructure teams on operational support, deployments, and various projects.

• Review logs and perform backups, verification, and restoration of system and application data accordingly.

• Deploy and maintain infrastructure resources that support products and services at scale.

• Install RHEL Linux and configure server components such as Apache, Tomcat, and Informix.

• Build and sustain operating system images following industry best practices and security standards.

• Assist portal end users with account configuration and related functionalities.

• Provide technical support to external client administrators overseeing client-hosted infrastructure.

• Monitor compliance and regulatory controls, addressing security and network-scanning findings as needed.

• Aid in SSL certificate installation and troubleshooting efforts.

• Participate in on-call and after-hours support as well as system changes.

⛳️ Requirements

• A minimum of 5 years of experience managing systems and applications on Linux operating systems, including Unix server setup, deployment, and maintenance.

• Bachelor's degree in Computer Science, Computer Programming, Computer Engineering, or a relevant computer-based field; relevant experience may substitute for the degree.

• Expertise in Red Hat Linux, Apache, Tomcat, and Informix deployment and maintenance.

• Proficient in Bash or Python scripting/coding.

• Strong understanding of HTTP, SMTP, firewalls, DNS, TCP/IP, and load balancing principles.

• Hands-on experience with Trend Micro Deep Security, Sumo Logic, Burp Suite Scanner, and HP Fortify is a plus.

• Familiarity with software build processes and a robust security-first approach.

• Preferred: Red Hat Certified Systems Administrator certification.

• Preferred: Experience with DB2 and AWS Cloud environments.

• Excellent communication, collaboration, analytical, troubleshooting, organizational, and documentation abilities.

• Experience working with developers, testers, systems engineers, and DBAs.

• Capability to work independently and collaboratively across multiple teams.

• Understanding of Agile methodologies, SAFe Framework, JIRA, and Confluence.

• Ability to plan, facilitate, and engage in system and platform upgrades, services, and preventative maintenance tasks.

• Strong customer service orientation, work ethic, attention to detail, and both written and interpersonal skills.

• Candidates must reside within the continental US.

🏝️ Benefits

• Opportunities for self-driven learning and professional development.

• An equal opportunity employer that values diversity.

• Access to tools and support aimed at enhancing skills, experience, and career progression.

• A corporate culture that prioritizes mutual success for customers, employees, and communities.

• Recognition as a Top Workplace.

• A mission-driven work environment focused on customer retention.