Linux Engineer, Dulles VA

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.


Job Responsibilities

  • The Linux Engineer applies current technologies to the design, development, evaluation and integration of computer information systems and networks to maintain system security. Works with commercial computer product vendors in the design and evaluation of state-of-the-art secure COTS applications, operating systems, networks and database products and technology. Provides security engineering and integration services to internal customers. Involved in a wide range of issues including secure architectures, secure electronic data traffic, network security, information security and privacy. Develops security systems for any manual or automated systems environments. Responsible for ensuring the protection of company data against unauthorized disclosure, accidental or intentional loss of data, or unauthorized modification.

  • This position requires shift work (nights and weekends).

  • Must have a current Secret clearance with the ability to obtain a TS/SCI clearance. Must be able to obtain DHS suitability prior to starting employment.

Minimum Requirements

  • Proficiency with configuration management using Ansible or Puppet
  • Skilled in Linux-related scripting (Bash, Perl, Python, etc.)
  • Experience with Apache web server configuration and management
  • Management, deployment and troubleshooting of Java and Tomcat applications
  • Experience analyzing and evaluating the security of new and existing IT systems and the procedures to protect information system assets from intentional or inadvertent modification, disclosure, or destruction.
  • Experience analyzing and evaluating the design and operating effectiveness of Information technology and security controls that are in place.
  • Knowledge and understanding of operating systems, networks and services.
  • Knowledge of Red Hat version 6 or 7(rhel6/rhel7) with the ability to engineer, install, administer and maintain.
  • Experience evaluating security solutions to ensure they meet security requirements for processing classified information.
  • Manage changes to system and assesses the security impact of those changes.
  • Experience and/or familiarity with the following network protection devices: Firewalls, intrusion detection and prevention systems (IDS/IPS), log analysis, malware analysis, network traffic flow and packet analysis
  • Comprehensive knowledge and understanding of best practices, trends related to information security
  • Strong research, analytical, and problem solving skills
  • Good communication skills including preparing and presenting results, findings and alternatives and influencing management decision making based on the best 
  • Bachelor's degree and a minimum of 6 years of prior relevant experience.
  • A Master’s degree in a related discipline may be substituted for two (2) years of experience
  • Professional experience may be substituted for a degree

Preferred Skills

  • Apache/TomCat/NGINX
  • Kerberos/LDAP
  • SSL
  • IDM/Free IPA
  • Docker
  • Open Nebula
  • Ambari
  • Whois
  • Sourcefire
  • Puppet
  • Satellite Server
  • Nagios
  • Training/certification in any of the following is strongly desired:
  • Red Hat Certified System Administrator (RHCSA)
  • Red Hat Certified Engineer (RHCE)

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.