DevSecOps Engineer/Linux Administrator (Senior)

ActioNet, Inc.; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

ActioNet, Inc. is seeking a Senior DevSecOps Engineer with a focus on Linux and DB2 administration to provide senior-level operational support for production applications, middleware platforms, and infrastructure.

The role emphasizes security, compliance, and high availability, with the position offered as 100% remote within continental US. You will manage Linux systems (RHEL), DB2, and middleware, lead vulnerability remediation, and collaborate with cross-functional teams to ensure reliable

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, or related field.
• Experience administering Linux systems in enterprise environments.
• Familiarity with DB2 administration and middleware components.
• Strong emphasis on security, compliance, and vulnerability remediation.

Responsibilities

• Install and maintain RHEL systems and middleware (Apache, Tomcat, WebSphere).
• Monitor, secure, and harden application stacks using CIS/DISA standards.
• Develop automation with Ansible and improve monitoring/reliability.
• Provide on-call support and coordinate with cross-functional teams.

Skills

Linux administration

Security mindset

Networking

Troubleshooting

Documentation

Education

Bachelor's degree in CS/CE or related

Tools

RHEL

Apache

Tomcat

Informix DB

JBoss/WebSphere/Nginx

DB2

Job description

DevSecOps Engineer/Linux Administrator (Senior-Level)

ActioNet 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, WebSphere, Nginx, NFS, and related middleware, including SSL/TLS certificate renewals and configuration hardening.
• Capable of reviewing and remediating vulnerabilities across RHEL 8, Nginx, WebSphere, 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, WebSphere) 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 afterhours support.
• Understand and demonstrate an ability to manage and an interest in the requirements listed below.

DevSecOps Engineer/Linux Administrator (Senior-Level)

ActioNet is seeking a Senior DevSecOps 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.

Responsibilities

• 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, WebSphere, Nginx, NFS, and related middleware, including SSL/TLS certificate renewals and configuration hardening.
• Capable of reviewing and remediating vulnerabilities across RHEL 8, Nginx, WebSphere, 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, WebSphere) 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 scanningMaintain 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 afterhours support.
• Understand and demonstrate an ability to manage and an interest in the requirements listed below.

Qualifications

• 5+ years of experience managing systems and applications running on Linux operating systems, and 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 deployment, and maintenance of Red Hat Linux, OS, Apache, Tomcat, and Informix components
• Proficiency with scripting or coding using Bash, or Python
• Strong networking, and internet technology knowledge (HTTP, SMTP, firewall, DNS, TCP/IP, and load balancing concepts)
• Working experience with Trend Micro Deep Security, Sumo Logic, Burp Suite Scanner, HP Fortify an asset
• Works closely with the platform team to ensure product teams are successful.
• Working knowledge of Software Build process and a strong "security first" mindset.

Preferred Qualifications

• RedHat Certified Systems Administrator
• Working experience with DB2
• Working experience with AWS Cloud

Communication And Organizational Requirements

• Strong, and effective communication, and collaboration skills
• Strong analytical skills and troubleshooting ability
• Strong organizational and documentation skills
• Experience communicating and collaborating with developers, testers, systems engineer, DBAs
• Ability to work independently and with various other teams across the organization
• Ability to work with teams that support application (both centralized and distributed)
• Familiarity with the Agile principles and methodology, SAFe Framework
• Strong familiarity with Agile software management tools like Atlassian applications (JIRA and Confluence)
• Must be a strong teammate, well organized and able to handle multiple assignments and responsibilities simultaneously
• Ability to plan, facilitate, and participate in systems and platform upgrades, service, and preventative maintenance activities
• Excellent written and soft skills are required.
• Demonstrated customer service focus, work ethic and attention to detail are critical to success in this position.

Why ActioNet?

At ActioNet, our Passion for Quality is at the heart of everything we do:

• We are committed to make ActioNet a great place to work and continue to invest in our ActioNeters
• We are committed to our customers by driving and sustaining Service Delivery Excellence
• We are committed to give back to our Community, help others and make the world a better place for our next generation

ActioNet is proud to be named as a Top Workplace for the 13 year in a row (2014 - 2026). We have 98% of Customer retention rate. We are passionate about the inspirational missions of our customers and we entrust our employees and teams to deliver exceptional performance to enable the safety, security, health and well-being of our nation.

What's in It For You?

As an ActioNeter, you get to be part of exceptional team and a corporate culture that nurtures mutual success for our customers, employees and our communities. We give you the tools to be successful; all you need to do is bring your best ideas, your energy and a desire to develop your skills, experience and career.

ActioNet is an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.