Senior DevSecOps Engineer, Linux Administrator
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Job Description
Senior DevSecOps Engineer administering Linux, DB2, middleware, and secure infrastructure for ActioNet’s government clients. Automating operations, remediating vulnerabilities, and supporting high-availability services remotely.
Responsibilities:
- Provide senior-level technical operational support, administration, and maintenance for production applications, middleware platforms, and infrastructure
- Administer DB2, including data ingestion, connectivity, access provisioning, and troubleshooting
- Monitor LDAP health and disaster-recovery replication, including replication status, database growth, disk utilization, and service issues
- Design and build LDAP DR replication pipelines and resolve replication failures and ISVD/DB2 defects
- Support RHEL 8, JBoss, WebSphere, Nginx, NFS, and related middleware
- Renew and configure SSL/TLS certificates and harden configurations
- Review and remediate vulnerabilities across operating systems, middleware, databases, and LDAP
- Lead security compliance activities, including ATO evidence gathering, network flow diagrams, and CJIS/NCIC-related log handling
- Establish secure configuration baselines using CIS Benchmarks and DISA STIGs, with periodic compliance assessments and documented deviations
- Monitor applications, infrastructure, and service alerts
- Maintain Ansible automation for service start, stop, validation, and health checks
- Improve monitoring, reliability, and operational processes
- Participate in troubleshooting and outage sessions involving applications, databases, infrastructure, and performance
- Perform software deployments, upgrades, patch management, and system changes
- Document problems, resolutions, procedures, and technical processes
- Develop automation to reduce redundancy and user error
- Collaborate with cross-functional and infrastructure teams on operational support, deployments, and projects
- Review logs and perform backup, verification, and restoration of system and application data
- Deploy and maintain infrastructure resources supporting products and services at scale
- Install RHEL Linux and configure Apache, Tomcat, and Informix server components
- Build and maintain operating system images according to industry best practices and security standards
- Support portal end users with account configuration and related capabilities
- Provide technical support to external client administrators managing client-hosted infrastructure
- Monitor compliance and regulatory controls and remediate security and network-scanning findings
- Assist with SSL certificate installation and troubleshooting
- Participate in on-call and after-hours support and system changes
Requirements:
- 5+ years of experience managing systems and applications running on Linux operating systems, including Unix server setup, deployment, and maintenance
- Bachelor's degree in Computer Science, Computer Programming, Computer Engineering, or relevant computer-based major; relevant experience may be considered in lieu of degree
- Proficiency with Red Hat Linux, Apache, Tomcat, and Informix deployment and maintenance
- Proficiency with Bash or Python scripting/coding
- Strong knowledge of HTTP, SMTP, firewalls, DNS, TCP/IP, and load balancing concepts
- Working experience with Trend Micro Deep Security, Sumo Logic, Burp Suite Scanner, and HP Fortify is an asset
- Working knowledge of software build processes and a strong security-first mindset
- Preferred: Red Hat Certified Systems Administrator
- Preferred: Working experience with DB2 and AWS Cloud
- Strong communication, collaboration, analytical, troubleshooting, organizational, and documentation skills
- Experience collaborating with developers, testers, systems engineers, and DBAs
- Ability to work independently and across multiple teams
- Familiarity with Agile principles, SAFe Framework, JIRA, and Confluence
- Ability to plan, facilitate, and participate in system and platform upgrades, service, and preventative maintenance activities
- Customer service focus, work ethic, attention to detail, written and soft skills
- Candidates must be located within the continental US
Benefits:
- Self-driven learning potential
- Equal opportunity employer committed to diversity
- Tools and support to develop skills, experience, and career
- Corporate culture focused on mutual success for customers, employees, and communities
- Top Workplace recognition
- Customer retention and mission-driven work environment
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