Senior Systems Engineer

Leidos•Chantilly, VA

About The Position

Leidos is seeking a Systems Engineer to support a technical development program of more than 200 FTEs serving the Sponsor’s Entitlement Programs and IdAM/ICAM, authentication, authorization, attributes, and digital policy management. The position supports the enterprise PKI program and associated cloud infrastructures on a secure network. The engineer will work with developers, software and data engineers, cybersecurity engineers, system architects, and testers to modernize and implement industry standards while ensuring secure, reliable, and uninterrupted IT system availability. Significant hands-on systems engineering experience is expected. Core business hours are typically 9 AM–3 PM, five days a week. Scheduling can be flexible with earlier arrivals or later departures. Some after-hours or weekend work may be required for deployments and upgrades. PKI knowledge is desirable, including digital certificates, certificate and registration authorities, key management, cryptographic algorithms, revocation procedures, and trust models. Candidates who can learn these areas may also be considered.

Requirements

  • Active TS/SCI with Polygraph.
  • Bachelor of Science degree and 8 or more years of relevant experience.
  • Strong, hands-on experience with Linux command-line interfaces.
  • Experience with scripting and programming languages such as BASH and Python.
  • Experience working on teams using Agile workflows and processes.
  • Hands-on scripting experience.
  • Knowledge and experience developing and deploying containerized solutions using Kubernetes and EKS.

Nice To Haves

  • Experience with Public Key Infrastructure (PKI), including digital certificates, Certificate Authorities (CAs), Registration Authorities (RAs), key management practices, cryptographic algorithms, certificate revocation procedures, and trust models.
  • Ability to design a robust system to issue, manage, and revoke digital certificates while ensuring the integrity and authenticity of users and entities on a network.
  • Experience with CloudFormation, Puppet, Groovy, or other configuration and automation tools.
  • Experience maintaining Jenkins.
  • Experience troubleshooting network engineering between cloud and non-cloud environments.
  • Experience with Infrastructure as Code (IaC) solutions such as Ansible or Terraform, or other configuration and automation tools.
  • Solid understanding of Web Application Firewall (WAF) configuration and management.
  • Networking experience involving ports, routing tables, subnets, VPNs, firewalls, and routers, including design, integration, and troubleshooting.
  • Experience working in an AWS cloud-based environment.
  • Experience with installation, configuration, and configuration-management alerting capabilities.

Responsibilities

  • Perform regular maintenance of cloud infrastructure resources, including patching, configuration, and upgrades.
  • Ensure designs are compatible with architecture and security requirements.
  • Integrate systems and services for firewall and network components.
  • Work with the security engineer to address and mitigate findings from system security scans.
  • Configure, patch, and maintain Linux operating systems.
  • Identify and suggest risk mitigation techniques.
  • Integrate systems and services.
  • Maintain and deploy containerized solutions.
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