Senior Linux Administrator

DDC is seeking aSenior Linux Administratorto support a mission-critical federal financial systems environment running onenterprise Linux. This roleis responsible formaintainingand improving the performance security reliability and availability of Linux servers supportingOracle-based financial applications and databasesacross production and non-production environments. The Senior Linux Administrator will lead efforts in system hardening patching automation monitoring troubleshooting and backup/recovery and will provide technical support formigrating Linux-based systems from on-premises infrastructure to AWS including the use of Infrastructure as Code and modern automation practices.

*This position is contingent upon contract award.*

Responsibilities:

• Manage complex enterprise Linux environments withfocusonperformance stability security and automation.

• Install configure andmaintainphysical and virtual Linux servers and operating systems.

• Provide Linux administration support for Oracle Federal Financials environment database and mid-tier administration to ensureconfidentiality integrity and availability(targeting99.5% availability).

• Performpatch management vulnerability management baseline configuration and OS hardening.

• Monitor systems forperformance and availability respond to alerts/outages and supporttroubleshooting toresolution.

• Develop andmaintainautomation usingscripts (Bash/Python/Perl)and tools such asAnsible/Puppet/Chef.

• Supportbackup/recovery and storage managementfor Linux OS environments (instance creation/modification as needed).

• SupportAWS migrationof Linux-based systems from on-prem to AWS.

• Support configuration/deployment of AWScompute storage and networking services.

• Design and implementInfrastructure as Code (IaC)to automate provisioning/configuration of AWS infrastructure; implement automation pipelines for deployment/updates.

• Coordinate with development/application teams to supportCI/CD pipelines deployments and integrations.

• Maintain documentation of processes/configurations andassistin documenting undocumented processes.

• Perform other duties as required.

Qualifications:

• Senior-level experience administeringenterprise Linuxenvironments (physical and virtual).(Minimum 10 years of experience.)

• Strong experience withautomation and configuration management(e.g. Ansible Puppet Chef) and scripting (Bash Python etc.).

• Experience supportingcloud migration to AWSand working with AWS infrastructure services.

• Experience withmonitoring capacity planning troubleshooting patching and security hardening in regulated environments.

• Ability to support environments subject to federal security requirements (e.g. NIST/FIPS-aligned practices) andparticipatein audit/security support activities as needed.

• Strong documentation and communication skills; able to work with government and contractor teams in a hybrid environment.

• Education Level:Bachelors degree in Information Systems Business Administration Program Management Finance Computer Science or related field preferred. Masters degree preferred. Equivalent relevant experience may be considered.
• Clearance Requirements:Must be able to obtain andmaintainSBA suitability/Public Trust PIV access and access to SBA systems as.
• Certification Requirements:AWS certificationsare preferred but not mandatory
• Travel will be required to Washington DC as needed.

About Us
Diné Development Corporation (DDC) is a Navajo Nationowned family of companies that provides government agencies and commercial organizations with high-quality IT professional environmental and research and development services. DDC is dedicated to empowering the Navajo Nation and the communities we serve.

Benefits
Eligible full-time employees receive a comprehensive benefits package including medical dental vision life and disability coverage retirement savings with company match and paid time off. Additional benefits include voluntary supplemental benefits access to an employee assistance program and educational assistance with tuition reimbursement.

Equal Opportunity & Compliance Statement
This contractor and subcontractor shall abide by the requirements of 41 CFR 60-1.4(a) 60-300.5(a) and 60-741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibit discrimination against all individuals based on their race color religion sex sexual orientation gender identity national origin or for inquiring about discussing or disclosing information about compensation or any other basis prohibited by law. We participate in E-Verify.

DDC is committed to providing equal employment opportunities to all applicants and employees. If you require a reasonable accommodation to participate in the application or interview process please contact Recruiting for assistance