Systems Administrator

Location: Lexington, MA

Duration: 36 months

Description

Maintains operation of multi-user computer systems, including coordination of infrastructure and cloud responsibilities. Develops and designs core operating system builds.

Responsible for coding, virtualization, and automation of systems.

Sets up administrator and service accounts, maintains an active directory of users and system documentation, tunes system performance, installs system-wide software, and allocates mass storage space.

Assesses and resolves user access problems related to security controls to minimize business impact and risk exposure. Identifies and evaluates vendor products and establishes vendor monitoring and tracking processes.

Performs capacity planning and monitors/tunes systems.

Recommends appropriate platforms for purchase, coordinates installation, and provides backup recovery.

Serves as a point of escalation for major incidents that are unresolved at the helpdesk level.

Develops and monitors policies and standards for allocation related to the use of computing resources.

May draft general IT communications to end-users including notifications of outages/downtimes.

Qualification

Experience:

Install, update, and troubleshoot systems/servers 5 years

Linux server/workstation administration 5 years

Programming

Understanding of bash and related scripting tools (shell and/or ansible) 3 years

Systems

Redhat Enterprise Linux 7 & 8 5 years

Redhat Linux Systems Administration 5 years

Technologies including DNS, DHCP, Proxy and Load Balancing 5 years

VM Ware ESXi and Associated Management Systems 5 years

Certification

CompTIA Security+ Certification

Preferred Skills/Certifications

Experience managing classified IT systems, STIGs, SCAPS, RMF. This experience is a bonus

Certification(s) in one or more of the following disciplines: Red Hat, VMWare, Certified Information Systems Security Professional (CISSP); CompTIA Security+; Linux Professional Institute Certification. Candidate will be required to obtain a CompTIA Security+ certification within 3-6 months of starting if they do not have one when assignment begins.

Experience managing system/server resources including performance, capacity, availability, serviceability, and recoverability.

Mac experience

Experience with virtual machines. (e.g., VMWare vSphere, Citrix Xen Desktop/Server, Amazon Elastic Compute Cloud, etc.).

Network administration experience is also desirable which includes managing data center and small network configurations: switches, routers, firewalls, modern software management and monitoring tools, some knowledge of automation technique.

Experience maintaining directory services. (e.g., Microsoft Active Directory, LDAP, etc.).

As an equal opportunity employer, ICONMA provides an employment environment that supports and encourages the abilities of all persons without regard to race, color, religion, gender, sexual orientation, gender identity or express, ethnicity, national origin, age, disability status, political affiliation, genetics, marital status, protected veteran status, or any other characteristic protected by federal, state, or local laws.