Systems Administrator

Leidos•Chantilly, VA

1d•Onsite

About The Position

Leidos is seeking a System Administrator for the enterprise PKI program, and their associated cloud infrastructures located on a secure network. The System Administrator will work with a team of engineers, developers, cybersecurity engineers, system architects, and testers. Core business hours are typically from 9 AM – 3 PM, five days a week. Hours can be flexible for either early arrivals, and/or late departures. Some after hours or weekend work may be required to accommodate system deployments and upgrades.

Requirements

Must have an active TS/SCI with Polygraph
BS degree and at least 8 years of relevant experience
Experience in using Linux-based operating systems
Experience running Bash scripts – will be expected to become proficient in updating existing bash scripts and writing additional bash scripts
Must have experience with security accreditation process
Must have experience with the Cloud / Amazon Web Services
Must be able to support System Administration/Privileged Access duties including an on-call rotation for a week approximately every two months
Excellent oral and written communications skills
Detail-oriented mindset
Experience interacting with cross functional project teams including Software Development, System Engineering/ Verification and Validation, Security, Compliance and Quality Assurance
Experience working in Agile environments
Experience with GitHub
Experience with AWS Console
Ability to read and perform complex software and infrastructure deployment instructions

Nice To Haves

Knowledge of Public Key Infrastructure (PKI) and understand key concepts like digital certificates, Certificate Authorities (CAs), Registration Authorities (RAs), key management practices, cryptographic algorithms, certificate revocation procedures, and trust models
Ability to follow standard operating procedures to manage a robust system to issue, manage, and revoke digital certificates while ensuring the integrity and authenticity of users and entities within a network
Experience with LDAP technologies
Experience with Elastic tools (Elasticsearch, Logstash, Kibana, and Beats)
Experience working with DevOps CI/CD related technologies (Github, Jenkins, Puppet, Docker, Rundeck, etc.)
Experience with AWS CLI, and manage services utilizing cloud services to build infrastructure as a code in an automated fashion
Network engineering troubleshooting between Cloud environments and non-Cloud environments
Solid understanding of Web Application Firewall (WAF) configuration and management
Experience with networking (e.g., ports, routing tables, subnets, VPNs, firewalls, routers, etc.) to include design, integration and troubleshooting issues
Minimum of one AWS Certification from the AWS Associate level (AWS Certified Architect Associate, AWS Certified Developer Associate, or AWS Certified SysOps Administrator Associate)
2+ years of C2S experience
Cloud formation
Managing complex Sponsor relationships and requirements gathering
Experience with IAM / IdAM / ICAM delivery systems, Authentication, Authorization, and/or Attributes
Experience with Tomcat
Experience with Container implementations
Experience managing HSMs

Responsibilities

Performing regular maintenance of cloud infrastructure resources, to include patching, configuration, upgrading as needed
Security Patching
Working with the team’s security engineer to address, mitigate security findings stemming from system security scans
Support of Servers in an AWS environment
Monitor CloudWatch dashboards other tools to ensure systems are performing as designed
Ensures the mission critical application remains operational 24/7