Systems Administrator

Acro Service Corp

• 
  Lexington, Massachusetts
  
• 
  

CONTRACTOR

$60

• 80/hr
  Updated 09/09/2026
  Job Description
  Job Summary
  Administer GNU/Linux desktop/server environments, including Red Hat, Ubuntu, and Centos distributions
• Administer virtualized networks using VMware and other virtualization technologies Administer Microsoft Windows and Apple Macintosh desktop environments, including Win 7 and OS X
• Support installation, maintenance, repair and upgrade of computer and network equipment
• Review and test new hardware and software applications, and make recommendations for purchases
• Design and implement shell scripts and other tools to automate processes and provide needed capabilities to technical staff
• Contribute to projects to improve aspects of the computing and network infrastructure: data storage, backups and recovery, network bandwidth and throughput, application installation and management
• Support design and implement configuration management and monitoring of systems and networks
• Collaborate with other personnel within the organization to enhance technology and support practices
  reconfigure systems to report and remediate performance and security issues.

Desired:

Experience with risk management framework (RMF) strongly desired

Other:

Work location: Hybrid — Individual works from home or off-site for a portion of their schedule and within a routinely commutable distance from the Lexington facility. Candidate should expect to be onsite 4 days a week with 1 day remote.

• Candidates must be flexible to come onsite as needed.

Requirements

Required:

• Operating Systems: UNIX/Linux, Windows, OSX, VMware, Cisco IOS.
• Hardware: Intel/AMD, Cisco, Sun/Oracle, Dell, Apple, EMC, NetApp.
• Software/applications: SAP, Microsoft Office Suite (Word, Excel, PowerPoint, Visio, Outlook), MS Active Directory, LDAP, Java, Javascript, SQL, BMC Footprints, VMware, SCCM 2012, SCOM 2012, EMC Networker,
  Solarwinds.
• Networking applications and protocols: TCP/IP, DNS, NTP, DHCP, SSH, FTP and HTTP/S.
• Programming Languages: Perl, Python, Shell Scripting, Powershell.
• System auditing, hardening and firewall configurations.
• Candidate must be able to demonstrate a proven track record with all of these abilities to be considered:
  Experience installing and deploying VMware ESXi in a clustered environment.

Experience installing and managing virtual machines with vCenter Server.

Experience with automated installation and management systems for Linux, ie Kickstart and Satellite

Experience installing and managing network services such as

DNS, DHCP, NFS, SSH, SAMBA

Experience installing and configuring firewalls, routers and switches Experience managing databases

Ability to understand and modify moderately complex shell scripts using redirection, pipes, variables, loops, and conditional statements

Self-motivated, and able to demonstrate an attitude of ownership and a desire to learn

Effective customer service skills, communication skills, and a positive attitude

Effective written and verbal communication is essential

Attention to detail, comprehensive problem and troubleshooting solving skills

Ability to work well under pressure and within time constraints

Ability to multi-task and prioritize work

Ability to work with experienced and junior systems administrators in a collaborative and rapid pace environment

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