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Linux System Administrator, Level 3 with Security Clearance

Independent SoftwareAnnapolis Junction, MD🇺🇸United States

Quick overview

SeniorityMid Senior
Employment typeEmployee
Work modeOn Site
LocationAnnapolis Junction, MD, United States
AnsibleBashDNSPerlProxmoxPythonVMwareJiraAgileLinuxNetwork Administration

Job description

Who are we? Independent Software is a consulting, product, and solutions firm dedicated to the practical application of software and system engineering technologies to solve complex problems. We bring 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 Independent Software? 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. Top Reasons to Work at Independent Software:

  • Great people deserve even better benefits, from comprehensive healthcare coverage and generous leave time to discounts with all our vendors.
  • 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 on-site or in our offices, your role at Independent Software 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.
  • Independent Software 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 Independent Software, 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 Independent Software a technology leader as well as a phenomenal place to work.

Benefits

  • Competitive salary
  • Company Sponsored Health, Dental, and Vision Insurance plans
  • Company Paid Long Term Disability, Short Term Disability and Life Insurance
  • Employee Assistance Program
  • Your retirement plan is an important benefit you shouldn’t overlook. We offer a 401(k) Profit Sharing Plan and Trust that offers a powerful way to enhance your long-term financial well-being by investing in yourself. We offer immediate eligibility and company matching.
  • A generous Paid Time Off and Holiday package
  • Paid training! We encourage all employees to seek out training opportunities like conferences, certification courses and seminars.
  • We truly believe the right work-life balance can exist, and it's here at Independent Software. 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.
Independent Software is an

Equal Opportunity Employer EOE, M/F/D/V. Linux System Administrator, Level 3 Annapolis Junction, MD Full Time Systems Administrator Experienced What You Will Do: As a Linux System Administrator, Level 3 at Independent Software, you will support mission-critical systems in a complex, multi-environment infrastructure. You will work alongside a large team of System Administrators, System Engineers, Network Engineers, and government personnel to maintain, troubleshoot, and enhance Linux and Windows systems supporting both development and operational missions. This position involves hands-on system administration, DevOps support, system monitoring, and troubleshooting across multiple classified environments.

Key Responsibilities

  • Administer, maintain, and troubleshoot Linux and Windows servers, including physical and virtual systems.
  • Support DevOps activities and sustainment of live, mission-critical systems.
  • Monitor system health, investigate issues, and resolve incidents and service requests using JIRA.
  • Maintain infrastructure services, including authentication, DNS, shared drives, home directories, and network communications.
  • Support backend environments across multiple classification levels, including mission and operations users.
  • Implement and maintain DISA STIG compliance and system security configurations.
  • Manage storage systems, virtualization platforms, IP networking, and firewall configurations.
  • Collaborate with System Administrators, System Engineers, Network Engineers, and government stakeholders to resolve technical issues and support mission requirements.
  • Communicate system updates, technical challenges, and operational priorities across multiple teams and contracts.

Required Skills and Qualifications

  • Linux system administration experience appropriate to the position level.
  • Solid experience with STE/STN environments and DISA STIG compliance on Linux systems.
  • Storage management experience, including CFS/DFS and NetApp.
  • Experience with virtualization technologies such as Proxmox, Red Hat KVM, or VMware.
  • Knowledge of IP networking and firewall administration.
  • Experience working with containers or cloud environments.

Desired Skills

  • Experience with automation tools such as Ansible or Salt.
  • Scripting experience using Bash, Python, or Perl.
  • Familiarity with backup and recovery solutions such as Rubrik or NetBackup.
  • Experience with hyperconverged infrastructure platforms such as Harvester, Nutanix, or Cisco HyperFlex.

Education and Experience

  • High School Diploma/GED or Associate's Degree in a technical field: 20 years of relevant experience.
  • Bachelor's Degree or higher in a technical field: 10 years of relevant experience.

Certifications

  • Must possess a current DoD 8570/8140 IAT Level II certification
Clearance Requirement:
  • Must possess an active TS SCI with appropriate Polygraph to be considered for this role Why Choose Independent Software: At Independent Software, our people are the mission. We’ve built a company around collaboration, integrity, and innovation and we make sure our team has the tools and support to grow, succeed, and thrive. When you join us, you will:
  • Support critical national security missions that matter
  • Be part of a close-knit, employee-first culture where your voice is heard
  • Expand your skills through ongoing training, mentorship, and career development
  • Enjoy competitive compensation, generous benefits, and work-life balance Ready to take the next step in your career? Join us and be part of something bigger. Apply today. We’re an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

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