Senior Systems Admin | Site Reliability Engineer

About the role

The CCG IT/System Administration team provides critical systems and integration services for CCG infrastructure. You will maintain various resources for multiple business and software development teams by implementing security controls, maintaining and configuring systems, and providing operational support for CCG Team Members. You will furthermore take a leading role in assigned technical areas while working with other team members to enhance and maintain CCG systems and services.

Responsibilities

• Support physical and virtual infrastructure with a focus on Linux and Windows administration
• Administer complex network and server administration functions, including maintaining, repairing, upgrading, configuring, installing, and patching operating systems and hardware
• Analyze system performance and resources and implement solutions to enhance performance, correct problems and ensure systems are operating correctly
• Identify, document, and recommend appropriate changes to improve infrastructure performance and reliability
• Deploy, manage, troubleshoot, and maintain physical and virtual infrastructure
• Analyze potential threats to systems and take appropriate action to prevent and remediate them
• Develop and automate tasks with various automation tools
• Conduct analysis supporting new infrastructure and software planning

Requirements

• Must possess a current Top Secret Clearance with SCI eligibility and be willing to sit for a CI polygraph (note, only US Citizens are eligible for security clearances)
• Ability to understand and translate complex requirements into working solutions
• Adhere to strict information system security guidelines
• Develop and document technical processes and procedures
• Communicate effectively at all levels of the organization, in a written and oral format
• Intermediate knowledge of Linux (Ubuntu, Debian, CentOS, RedHat)
• Intermediate knowledge of Microsoft (Windows, LDAP, Server 2016, 2019)
• Intermediate understanding of hypervisors (VirtualBox, VMware Workstation)
• Intermediate understanding of storage concepts and technologies
• Experience with networking, including routing and switching
• Continuous learner, both able and willing to quickly learn new technology and software
• Able and willing to work with minimal supervision while regularly collaborating with team members
• Able and willing to analyze network traffic using Wireshark, tcpdump, or related tools
• Experience with provisioning/configuration management tools such as Ansible
• Experience with Infrastructure as Code tools such as Terraform
• Experience with a cloud computing platform such as Amazon Web Services
• Experience with Linux containerization technologies such as Docker
• Experience with host-based and network-based firewalls such as iptables, Cisco ASA, or Juniper SRX
• Experience with a version control code repository like GitLab
• Create and maintain user and computer accounts and modify permissions and access
• Make recommendations to purchase hardware, software, system components

Preferred Qualifications

• Experience with task tracking software such as Jira
• Experience working in an agile environment
• Experience with system alerting and monitoring
• Experience with VPN technologies such as Nebula, Wireguard, OpenVPN
• Experience with the creation and deployment of system images in an enterprise environment
• Experience with maintaining security audit logging information
• Experience with security compliance guidelines such as NIST and CMMC
• Experience with Monitoring solutions
• Experience with Inventory
• Experience with Windows server & client, Windows Server architecture & management, Windows domain architecture, Windows Group Policy, Windows Active Directory, LDAP
• Experience with configuring virtualization platforms such as installing maintaining vSphere, vCenter, Proxmox

Benefits

We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.