Systems Engineer (Linux), Expert with Security Clearance

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Job description

Overview At Criterion Systems, we developed a different kind of business-a company whose real value is a reputation for excellence built upon the collective skills, talents, perspectives, and backgrounds of its people. By accepting a position with Criterion Systems, you will join a group of professionals with a collaborative mindset where we share ideas and foster professional development to accomplish our goals. In addition to our great culture, we also offer competitive compensation and benefit packages, company-sponsored team building events, and advancement opportunities. To find out more about how Criterion can help you take your career to the next level please visit our website: . Criterion Systems is a Military/Veteran Friendly Company therefore we encourage Veterans to apply. Responsibilities We are seeking a mission-focused Expert Linux Systems Engineer to support and contribute to our government customer's success in Warrenton, VA! This program will deliver engineering services for network infrastructure as well as sophisticated enterprise computing infrastructure including end-point devices, data center hosted servers, multi-Cloud services as well as virtualized applications, and storage systems. Enterprise Computing Engineering services include modern application technology including containerized solutions with orchestrated work-flow that function both on customer premise, and via remote Cloud services. Network infrastructure engineering services are comprised of core infrastructure, voice and video engineering, field engineering, application management and development for networks, network analytics, firewalls, network access controls and bandwidth service delivery. This is a fast paced, challenging, and career rewarding experience to recruit and develop provide top talent and solutions on one of the most complex and high-profile programs within the government. Duties, Tasks & Responsibilities Perform systems engineering and software development in multiple large enterprise server environments (e.g., Linux, Red Hat, CentOS and Rocky OS) Provide technical guidance in software engineering techniques and automated support tools. Analyze functional business applications and design specifications for functional activities. Prepare required documentation (program-level and user-level) Assist in establishing standards for information systems procedures. Support the customer in the development and maintenance of systems baseline. Assess server loads and work with technical leads to develop tuning recommendations. Additional duties, as assigned. O&M duties include: Provide operational pager/phone duty support. Complete day-to-day Operations & Maintenance tasks Perform operating system software updates, upgrades and patches. Qualifications Required Experience, Education, Skills & Technologies Must have an active Top Secret/SCI clearance with favorable Polygraph. Minimum of 11+ years' experience. Bachelor's Master's degrees are preferred with a background utilizing the following: Linux including Red Hat and its derivatives (CentOS, RHEL, RockyOS). Experience in shell (BASH) scripting and manipulating the Linux command line. Experience providing Linux Administration (O&M) support Experience providing Linux Engineering and Infrastructure support Full time on-site work in a customer or government facility. Preferred Education, Experience, & Skills Experience with the following languages: Python, Ruby, Bash, PHP Experience with Amazon Web Services (AWS), CloudFormation, Google Cloud and Microsoft Azure Experience with configuration management software (e.g., Ansible, Puppet, Terraform, CloudFormation) Experience with cloud computing, including PaaS, IaaS and SaaS Experience with CaaS (e.g., Kubernetes and OpenShift) Experience with LAMP Security Clearance Level Top Secret/SCI with favorable Polygraph Work Schedule Full time on-site Benefits Offered Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Tuition/Training Assistance, Parental Leave, Paid Time Off, and Holidays. Criterion Systems, LLC and its subsidiaries are committed to equal employment opportunity and non-discrimination at all levels of our organization. We believe in treating all applicants and employees fairly and make employment decisions without regard to any individual's protected status: race, ethnicity, color, national origin, ancestry, religion, creed, sex/gender, gender identity/gender expression, sexual orientation, physical and mental disability, marital/parental status, pregnancy (including childbirth, lactation, and related medical conditions), age, genetic information (including characteristics and testing), military and veteran status, or any other characteristic protected by law. For our complete EEO/AA and Pay Transparency statement, please visit

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