Linux Systems Administrator
Praxis Engineering 9 reviews - College Park, MD

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Who are we?
Praxis Engineering is a consulting, product, and solutions firm dedicated to the practical application of software and system engineering technologies to solve complex problems. Praxis brings together world class engineers with proven engineering best practices, domain expertise, commercial technologies and proven agile management approaches to create high value solutions aimed at helping our customers meet their most critical business and mission objectives.

Why Praxis?
We are focused on continual learning and evolution. We don’t do things because “that’s the way we’ve always done things”; we listen to our employees and adapt to the changing marketplace. We look at the big picture and encourage our engineers to get training and certifications in emerging technologies that will help shape our customer’s mission.
We've been profitable year after year. We're always on the lookout for great engineers to join the team and we recognize that our employees are the heart and soul of what we do. We focus on recruiting talented people, treating them right, and then allowing them to do what they do best. No red tape. No micromanagement. Smart people want to work with smart people, and we love people who are passionate about what they do, and finding ways to do it better.

What you will be doing

Praxis Engineering is seeking a Linux Systems Administrator.

What you will need

A minimum of five (5) years experience administering Linux systems. Experience listed for sub-criteria below may be concurrently or consecutively gained

A minimum of two years experience installing Linux servers using PXE (pre-boot execution environment) (e.g. Cobbler/Kickstart)

A minimum of two years experience creating spec files to producing RPMs (i.e. RedHat Package Manager) for installation custom software

A minimum of 2 years experience establishing Local Area Networks (LAN), to include creation and configuration of common services (e.g. DNS (Domain Name System), NTP (network time protocol), NFS (network files system), NAT (network address translation), Squid (caching proxy), yum (software package manager), and LDAP (lightweight directory access protocol))

A minimum of 2 years experience assembling and configuring equipment racks comprised and RAIDs (Redundant Array of Independent Disks), switches (to include KVMs), and Linux hosts. Experience listed for sub-criteria below may be concurrently or consecutively gained

A minimum of one year experience configuring network switches and switch operating systems (to include Cisco IOS (internetwork operating system) and/or IOS-like systems) to include experience designing and implementing VLANs (virtual local area networks) on various switches for virtual network topologies

A minimum of one year experience optimizing scalability and performance of various modern file systems as applied to RAID systems and reliability performance tradeoffs

A minimum of one year experience performing the physical layer of system integration (to include installation of fiber optic and copper cabling).

Ability to lift 45 (forty-five) pounds

A minimum of two years experience in technologies for Large System

Administration (to include knowledge of network management systems for managing very large, geographically distributed systems of systems from a central location)

A minimum of two years experience deploying FOSS (free open source software) (e.g. source tarballs, RPMs, JAR (java archive) files, and Perl (practical extraction and report language) libraries)

Certification as RedHat Technician (RHCT) and a minimum of two years experience with RHEL 5 & 6

TS/SCI with appropriate polygraph

Praxis Facts

Founded in 2002

Consistently ranked as one of the Baltimore areas Best Places to Work

Over 290 employees…

Over 40 active contracts

Headquartered in Annapolis Junction, MD with growing offices in Chantilly, VA, Linthicum, MD and Aberdeen, MD

Top 10 Reasons to Work at Praxis

Everything AND the kitchen sink.

Great people deserve even better benefits, from comprehensive healthcare coverage and generous leave time to free fuel, a.k.a. all the snacks and drinks you want from our fully stocked kitchens.

You are not just a job title. That's why we tip the work-life balance scale in your favor. It's not about being billable, it's about being valuable.

Whether you're working onsite or in our offices, your role at Praxis is just as critical to our success as your coworker's.

We're constantly researching and implementing the latest technology so you've always got the right tools at your disposal.

As we've grown, we've retained that small company feel. When we say we have an open door policy, we actually mean it.

Praxis is comprised of wonderfully generous folks. We believe in supporting the causes our employees care about. Bring us an opportunity to help and we'll listen.

Teamwork got us where we are today. Our collaborative environment allows you to maximize your true potential.

The work we do is exciting, critical stuff. No matter your role at Praxis, you're helping us keep the nation safe and secure.

We have a history of great achievement and, with each year, our company gets even bigger and better. As we grow, so does the opportunity for our employees.

We host a variety of fun employee and family events throughout the year to say thanks for all that you do to make Praxis a technology leader as well as a phenomenal place to work.


Competitive salary

Free soft drinks and snacks (both healthy and not-so-healthy)

Comprehensive health insurance plan

401(k) retirement plan with company paid contribution (amount equivalent to 7% of your salary)

Annual bonus plan

Comp time plan

Four weeks Paid Time Off, plus 10 holidays

Lots of paid training! We regularly conduct training in-house at our training center, and encourage all employees to seek out training opportunities like conferences, certification courses and seminars. Popular conferences we send our employees to include JavaOne, Rational Users Conference, Black Hat and AnDevCon.

We truly believe the right work-life balance can exist, and it's here at Praxis. Our work is extremely important, but your job is just a part of who you are. When you enjoy your life outside of our walls, you're at your best the next time you walk through our doors. We do all we can to assure that happens every day.

Praxis Engineering is an Equal Opportunity Employer EOE, M/F/D/V.

About this company
9 reviews
Praxis Engineering is a consulting, products, and solutions firm dedicated to the practical application of software and system engineering...