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Sr. Systems Administrator (AWS / Linux)

Columbia, MD

Why Work at SI?
Secure Innovations (SI) successfully and continuously strives to become experts in the Cybersecurity field by only focusing on Cyber!  Because of this, we proudly stand behind our motto, "We're Not Standard Cyber. We're the Cyber Standard."

SI was built on the principle that people matter first and foremost.  Our focus is on PEOPLE - our employees and our customers.  SI believes in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth.  We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals.

This position is for System Administration support for development and production environments for a mission critical Identity and Access Management (IdAM) system. Responsibilities include working with a team configuring and deploying AWS ec2 instances, building AWS images, performing security hardening, patching, and platform monitoring. This position also will support ISSO and ISSEs in obtaining and maintaining security certification and accreditation. Apply knowledge of computer operations, platforms, systems, architectures, functions, and terminology.  Independently read, write, and implement standard operating procedures and technical documentation.

Required Experience:

  • TS/SCI with FSP
  • Bachelor’s Degree or higher in computer engineering or in a field related to the computer engineering or computer science disciplines
  • 10 years System Administration experience.  An additional 4+ years of System Administration experience may be substituted for the degree for a total of 14 years. 
  • 2+ years’ experience with PKI authentication services.
  • Docker / Kubernetes
  • MongoDB 4.x
  • Attention to detail and time management
  • Excellent communications skills
  • Ability to provide afterhours call-in support
  • Strong organizational and time management skills, including the ability to multi-task and work independently and with a team.
Desired Experience:
    • AWS Cloud Computing Services
      • VPC, EC2, AWS CLI, S3
    • Linux and Windows operating systems
      • CentOS, RedHat, Windows Server
    • Cloud automation (e.g., Ansible, Terraform, CloudFormation)
    • Familiarity with MongoDB document databases
    • Configuration and Maintenance of Virtual Machines
      • VCenter/VMWare, Prism/Nutanix
    • PKI and MFA Experience (e.g., RSA, x.509, general certificate management processes and certificate lifecycle management)
    • Active Directory (AD) and LDAP
    • Scripting languages (e.g., Python, bash, etc.)
    • OS and Software application patching (e.g., IAVA, Version updates)
    • IdAM directories (active directory and/or LDAP)
    • Experience with Jira, Confluence, and GitLab
    • Networking/Load Balancing/Proxy

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