Linux Systems Administrator

Red River is seeking a Linux Systems Administrator with an active Secret Clearance to join our growing team in Lexington, MA!

The Linux Systems Administrator will demonstrate a strong understanding of Linux operating systems including both workstation and server varieties while supporting the Laboratory’s enterprise classified computing infrastructure. The ideal candidate will have a solid background with Linux to include the underlying systems and services that support them. These systems and services would include but are not limited to file sharing, Satellite, Ansible Automation Platform, multi-factor authentication, disk encryption and patching. This candidate will also possess some background with DevSecOps concepts (artifact repository, container registries, scanning and platforms, etc.) and tools (Sonatype Nexus, JFrog Artifactory, Prisma Twistlock, RHEL OpenShift, etc.)

As part of this role the individual will need to demonstrate proficiency, applying STIGs (full and benchmark), understand how to use DISA’s SCC Tool and STIG Viewer and how to evaluate systems for STIG compliance.

This position is 100% dedicated to supporting classified environments and is 100% on-site in Lexington, MA.

Primary Position Tasks:

Implementation and support of virtual platforms built on Microsofts Hyper-V, VMware, or Cloud Services such as AWS/Azure.

Design, implementation, support services for Microsoft related technologies: Windows Server, Exchange, SQL, SharePoint, etc.

IT support relating to technical issues involving Microsofts core business applications

Excellent knowledge with email solution in area of implementation, configuration and administration

Strong knowledge of Microsoft platforms including the administration and management of Server 2008 through 2019 technologies including Active Directory, DHCP, DNS, and Group Policy

Remote access solution implementation and support: Remote Desktop and Citrix

Strong knowledge of disaster recovery and backup solutions such as Veeam and Azure/AWS

System documentation and consulting services to include system reviews and recommendations

Provide third-tier escalation support and mentorship to other engineers

Strong understanding of remote solutions such as Remote Desktop Services and Citrix

Excellent knowledge of network storage solutions such as Netapp and Nimble

Basic knowledge of network services: WAN and LAN connectivity, routers, firewalls, and security

Intermediate to strong knowledge of Azure/O365 services such as Intune, Azure AD, Exchange, and Powershell scripting

Intermediate to strong knowledge of AWS services such as EC2, S3, and Route 53

Works with Business Applications, vendors, consultants, contractors, and other IT personnel Draft/Update SOPs as procedures and

Support and maintain Linux desktop and server infrastructure.

Support and utilize Satellite to patch and manage Linux systems.

Develop and maintain STIG compliant Linux desktop and server images.

Deploy new Linux desktops and servers as needed.

Assist with developing and implementing a strategy for Ansible Automation Platform.

In collaboration with the unclassified Linux team, assist with developing and implementing a DevSecOps infrastructure.

Participate in projects as needed where Linux administration is required.

Provide 1st tier technical support as needed in support of the Laboratory community.This would include taking shifts in the classified hubs to aid with password resets and other end user issues as well as working tickets and assisting users as needed

Minimum Education/Certification/Experience Requirements: ​

Bachelor’s of Computer Science or relevant technical field of study

7 years of experience supporting RHEL 7/8 workstation and server

5 years of experience utilizing Satellite to support Linux systems

Experience with bash/shell, Python and perl scripting

Understanding of Linux troubleshooting to include the boot process, Kickstart building, systemd, monitoring of system resources, kernel tuning, system performance troubleshooting, system calls and tracing

Experience configuring storage for Linux systems (LVM, file systems, RAID, storage encryption, SAN, NAS and NFS)

Package development and deployment (rpm, yum, dnf)

Strong overall network skills (package captures, NIC latency tuning, route tables and tracing, subnetting, firewall/iptable, TCP/UDP/IP protocols)

Ability to work independently toward delivery of goals as well as collaborate in team efforts

Excellent customer service skills

Excellent presentation, verbal and written communication skills

Demonstrate the ability to learn new technologies and disciplines quickly

Minimum of a Secret clearance

Security certification or the ability to obtain within 6 months of employment

Experience utilizing Ansible Automation Platform to support Linux systems

Experience supporting DevSecOps environments.

Experience supporting software deployment on Linux

Experience supporting cloud infrastructure. Preferably in classified environments but public domain experience is also beneficial

Experience with the Command Cyber Readiness Inspection (CCRI) process and maintaining an inspection ready environment.

Knowledge , Skills and Abilities :

Strong consulting and communication skills

Confidence and experience in front of clients

Strong ability to work in a team-based environment

Ability to be a self-starter and possessgood time management skills

Ability to work in a high-pressure, deadline-driven environment

Strong knowledge of backup solutions

Ability to obtain and maintain a government security clearance.

Occasional off-hour/on-call support is necessary. A certain degree of flexibility of schedule is required as some work (planned/unplanned) must be done outside of major production hours during pre-scheduled maintenance windows.

Essential Elements (Mental; Physical; Equipment used):

​​This position is an office position that requires remaining in a stationary position for multiple hours throughout the workday.

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​This position requires the ability to continuously communicate with co-workers throughout the day utilizing Red River approved and/or provided communication tools and equipment.

Basic Qualifications:

U.S. Citizenship Required

Red River offers a competitive salary, excellent benefits and an exceptional work environment. You can review our benefit offerings here (https://redriver.com/wp-content/uploads/2023/12/Benefits-At-a-Glance-2024-1.pdf) . If you are ready to join a growing company, please submit your resume and cover letter (optional).

EOE M/F/DISABLED/Vet

Red River is an equal opportunity employer and makes employment decisions based on business needs, job requirements and individual qualifications, without regard to race, color, religion, national origin, sex (including pregnancy), sexual orientation, gender identity or expression, marital status, age, family medical history or genetic information, disability, past or present military service, or any other characteristics protected under the laws applicable in the locations where Red River operates. Red River will not tolerate discrimination or harassment based on any of these characteristics.

Red River does not accept unsolicited resumes from individual recruiters or third party recruiting agencies in response to job postings or otherwise. Placement fees will not be paid to any recruiter unless Red River has an active agreement in place with the recruiter and such a request has been made by the Red River Talent Acquisition team and such candidate was submitted to the Red River Talent Acquisition Team via our Applicant Tracking System. Any unsolicited resumes or other data submitted to Red River in violation of this policy may be used by Red River without obligation to pay any fees of any kind to the recruiter.

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