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DevSecOps Engineer/Linux Administrator; Senior
Job in
Chicago, Cook County, Illinois, 60601, USA
Listed on 2026-10-30
Listing for:
ActioNet, Inc.
Full Time
position Listed on 2026-10-30
Job specializations:
-
IT/Tech
Systems Administrator, IT Support, Cybersecurity, Cloud Computing: Infrastructure & Operations
Job Description & How to Apply Below
Dev Sec Ops Engineer/Linux Administrator (Senior-Level)
Actio Net is seeking a
100% remote. Candidates must be located within continental US.
- Knowledge of DB2 administration to include data ingestion, connectivity, access provisioning, and troubleshooting.
- Ability to monitor LDAP health and DR replication, including replication status, database growth, disk utilization, and service issues.
- Ability to design and built the LDAP DR replication pipeline (export, rsync, import) and resolved the replication failures that preceded it, along with several ISVD/DB2 defects.
- Provide administrator support across RHEL 8, JBoss, Web Sphere, Nginx, NFS, and related middleware, including SSL/TLS certificate renewals and configuration hardening.
- Capable of reviewing and remediating vulnerabilities across RHEL 8, Nginx, Web Sphere, NFS, DB2, IBM LDAP, and JBoss.
- Lead security compliance work, including ATO evidence gathering (SC-8, SC-12, AU-09, IA-02), network flow diagrams for security review, and CJIS/NCIC-related log handling concerns.
- Ability to establish secure configuration baselines for an application stack (Nginx, DB2, Web Sphere) using CIS Benchmarks and DISA STIGs, with periodic compliance assessment and documented deviations.
- Monitor applications, infrastructure, and service alerts across applications.
- Maintain Ansible automation to start, stop, validate, and health-check application services.
- Identify and implement improvements to monitoring, reliability, and operational processes.
- Participate in troubleshooting and outage sessions covering application, database, infrastructure, and performance issues.
- Perform system changes such as software deployments and upgrades.
- Document problems and resolutions in internal and organizational documentation.
- Develop system automation process to reduce redundancy and user error.
- Collaborate with cross functional teams for operational support, software deployment, deployment processes, and projects.
- Review system and application logs, and backup/verification/restore of system and application data.
- Deploy, and maintain infrastructure resources to support the delivery of products and services to clients at scale
- Install RHEL Linux operating systems
- Install, and configure server components including Apache, Tomcat, Informix DB
- Maintain operating systems, and platform components with regular patch management
- Support and assist portal end-users in configuration of user accounts and other capabilities
- Build, and maintain operating system images in line with industry best practice, and security standards
- Assist the infrastructure team in the administration of other resources as related to service delivery
- Coordinate, and communicate with internal teams as needed in support of service delivery
- Provide technical support for external client administrators in management of client-hosted infrastructure deployments
- Perform regular monitoring of compliance, and regulatory controls
- Ability to remediate findings from security vulnerability and network scanning
- Maintain procedural, and technical documentation
- Help with SSL cert installation & troubleshooting
- Be available for on-call support, or system changes outside normal office hours
- Participate on-call duties to provide after hours support.
- Understand and demonstrate an ability to manage and an interest in the requirements listed below.
Actio Net is seeking a Senior
Dev Sec Ops Engineer with a focus on Linux and DB2 Administration to provide senior level technical operational support, administration and maintenance of the production applications, Middleware platforms and infrastructure ensuring services meet operational targets, achieve high availability and performance. This position offers excellent self-driven learning potential, expects a high level of commitment, collaboration with various teams and a strong work ethic.
This position 100% remote. Candidates must be located within continental US.
- Knowledge of DB2 administration to include data ingestion, connectivity, access provisioning, and troubleshooting.
- Ability to monitor LDAP health and DR replication, including replication status, database growth, disk utilization, and service issues.
- Ability to design and built the LDAP DR replication pipeline (export, rsync, import) and resolved the replication failures that preceded it, along with several ISVD/DB2 defects.
- Provide administrator support across RHEL 8, JBoss, Web Sphere, Nginx, NFS, and related…
Position Requirements
10+ Years
work experience
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