Sr Systems Administrator (Linux/Windows/VMware/AWS/Azure)

Dulles, VA


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: www.criterion-sys.com.

We are looking for candidates to help deliver full lifecycle development and sustainment for the Department of Homeland Security's (DHS) National Cybersecurity Protection System (NCPS). The NCPS assists more than 100 federal civilian government agencies with the protection of their networks against advanced cyber threats. Under this contract, you will support the government in the design, development, operations and maintenance services for the NCPS. Together we will build the mission critical cybersecurity solutions that will enable the timely dissemination of threat warnings and improve information sharing across DHS's stakeholder community.

Sr Systems Administrator (Linux/Windows/VMware/AWS/Azure)
- Working alone on individual projects while being involved in larger projects as a team effort with minimal supervision from the lead systems engineer
- Leading a team in design and implementation of COTS-based solutions on single instances or across clustered devices
- Supporting the development of system security documentation on both new and deployed solutions
- Supporting the development of new capabilities
- Supporting the operations and maintenance aspects of deployed capabilities

Minimum Requirements

  • Bachelor’s degree in Systems Engineering, Computer Science, Information Systems or related technical field. Two years of related work experience may be substituted for each year of degree level education.
  • Must be a US Citizen
  • Must have a current active TS/SCI clearance
  • Must be able to obtain DHS Suitability
  • 6+ years of directly relevant systems administration experience including hands-on experience with one or more of the following: Linux preferably Red Hat Enterprise Linux (RHEL) 6 or 7, Windows, VMware
  • Must have in-depth knowledge of OS installations, security hardening and maintenance
  • Experience with Amazon Web Services (AWS) platform capabilities, including good understanding of the Amazon Web Services (AWS) Well-Architected Framework
  • Experience working in AWS via the CLI and management console
  • Experience with Microsoft’s Azure cloud services
  • Knowledge and experience configuring Virtual Private Clouds (VPCs)
  • Comfortable with building physical and virtual servers from scratch
  • Ability to deploy and integrate new applications that may be requested
  • Capable of quickly learning new applications that run on various operating systems for testing and deployment
  • Experience with administration and management of servers to include installation, configuration, optimization, backup & recovery
  • Experience with performance tuning & troubleshooting, identifying and resolving contention in CPU, memory, networking, disk I/O, etc.
  • Familiar with fundamentals of scripting languages for automation tasks and deployments (e.g. Bash Shell, Python & Kickstart technologies)
  • Integration & implementation experience with various services, LDAP, Samba, NFS, Bind, Apache, and other core technologies
  • Familiarity of configuration management
  • Experience with Puppet, Chef or Ansible 

Preferred Skills

  • Experience working in an agile development environment
  • Experience with software development using JAVA, RESTful services is a plus
  • Comfortable with multilevel security systems, SELinux, and/or Cross Domain Solutions is a plus
  • Experience with physical and virtual (VMware) RHEL servers including Red Hat Satellite Servers
  • Experience with data orchestration software such as Apache NiFi or StreamSets is a plus
  • Experience with distributed compute environments such as Hadoop is a plus
  • Experience working in DevOps and/or DevSecOps environments
  • Experience with technical implementation projects

Criterion Systems is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO/AA and Pay Transparency statement, please visit https://criterion-sys.com/careers.


Benefits

Health

Criterion offers comprehensive health benefits including medical, dental, vision, life and disability insurance. Most of our plans are available at no cost for employee only coverage.

Time Off

Employees begin accruing PTO at 15 days per year and acquire more based on seniority. In addition to PTO, Criterion provides 10 holidays and bereavement, military, jury duty, and family medical leave.

Financial

  • Roth and Traditional 401(k) Plans with company matching contributions
  • Health Care and Dependent Care Flexible Spending Accounts
  • Health Savings Accounts
  • Commuter Benefits

Educational

All employees are eligible to use up to $3,000 annually for approved professional development, including trainings, memberships, seminars, and degree programs.

Employee Testimonials

Pets of Criterion

We love our furry friends!

Equal Employment Opportunity and Affirmative Action Employer

Criterion Systems, Inc. is 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 decisions without regard to an individual’s protected status: race/ethnicity, color, national origin, ancestry, sex/gender, gender identity/expression, sexual orientation, marital/parental status, pregnancy/childbirth or related conditions, religion, creed, age, disability, genetic information, veteran status, or any other protected status.

Know Your Rights

Applicants have rights under Federal Employment Laws: Family and Medical Leave Act | Equal Employment Opportunity | Employee Polygraph Protection Act. Criterion participates in E-Verify. Review Right to Work information.

Need an Accommodation?

Criterion is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for a position with Criterion and need special assistance or an accommodation to apply, please send an email with your request to recruiting@criterion-sys.com or call us at 703-942-5800. Determination on requests for reasonable accommodation are made on a case-by-case basis.