This position supports Raytheon's DOMino contract, a single-award IDIQ worth over $1 billion. This contract delivers 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, Raytheon will support the government in the design, development, operations and maintenance services for the NCPS. Raytheon 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. The Sr. 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. Uses encryption technology, risk management and vulnerability analysis of various security technologies and information technology security research. 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. Assesses ability of NCPS systems to meet required security controls, and develops reports for government ISSO/ISSM review. Tracks and manages program/project POAMs, and works with stakeholders to resolve and close in a timely manner. This position is Monday - Friday and may require some shift work (nights and weekends). Must have an active Secret Clearance and be able to obtain a Top Secret Clearance with SCI eligibility. Must be able to obtain DHS program suitability prior to starting employment. Required Skills: *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. *Perform vulnerability/risk assessment analysis to support certification and accreditation. *Provides configuration management (CM) form information system security software, hardware, and firmware. *Manage changes to system and assesses the security impact of those changes. *Prepare and review documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, etc. *Experience and/or familiarity with Certification and Accreditation (C&A). *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 *Experience and/or familiarity with Secure Technical Implementation Guides (STIGs), Information Assurance Vulnerability Alert (IAVA), DCID 6/3, Federal Information Security Management Act (FISMA) and other tools using industry best practices *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 available data *Desired Knowledge and experience with any of the following: * Apache/TomCat/NGINX * Kerberos/LDAP * IDM/Free IPA * SSL * Docker * Open Nebula * Ambari * Whois * Sourcefire * SQL/Postgres * Puppet * Satellite Server * Nagios * SPLUNK Training/certification in any of the following strongly desired: * Red Hat Certified System Administrator (RHCSA) * Red Hat Certified Engineer (RHCE) Required Education (including Major): *Bachelor's Degree with 6 years of experience. Additional years of work experience may be substituted for a degree. This position requires a US Person who is eligible to obtain any required Export Authorization. 131121 Raytheon is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status.