Criterion Systems, Inc.

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Search Results Page 6 of 6

Job Locations US-VA-Herndon
Criterion Systems is seeking a Mission-FocusedSenior, Cyber Threat Hunter to support and contribute to our government customer’s success in Herndon, VA. The individual in this role must be a motivated team player that strives for professional and technical excellence in identifying and defeating advanced persistent threats (APT's) while analyzing patterns to profile adversary groups to protect and defend the most coveted intelligence target in the world. This position is a great opportunity to use your expertise of hunting out the Black Hat's playbook, identify anomalies, develop scenarios based on real-world cyber threat intelligence, and conduct analysis on the associated data sets. In this role you will collaborate with the detection and incident response teams to hunt for adversary behavior and based on findings, develop logic to operationalize future detection by the incident response function. This position will be based Monday - Friday with Core Hours.    Primary Responsibilities include, but are not limited to: - Experience with host-based and network-based APT related commercial technologies. - Executes an APT Hunt capability for the Government. - Construct and exploit threat intelligence to detect, respond, and defeat advanced persistent threats (APTs). - Fully analyze network and host activity in successful and unsuccessful intrusions by advanced attackers. - Piece together intrusion campaigns, threat actors, and nation-state organizations. - Manage, share, and receive intelligence on APT adversary groups. - Generate intelligence from their own data sources and share it accordingly. - Identify, extract, and leverage intelligence from APT intrusions. - Expand upon existing intelligence to build profiles of adversary groups. - Leverage intelligence to better defend against and respond to future intrusions. - Conduct advanced threat hunt operations using known adversary tactics, techniques and procedures as well as indicators of attack in order to detect adversaries with persistent access to the enterprise. - Create and add custom signatures, to mitigate highly dynamic threats to the enterprise using the latest threat information obtained from multiple sources. - Conduct initial dynamic malware analysis on samples obtained during the course of an investigation or hunt operation in order to create custom signatures. - Develop and produce reports on all activities and incidents to help maintain day to day status, develop and report on trends, and provide focus and situational awareness on all issues. - Correlate data from intrusion detection and prevention systems with data from other sources such as firewall, web server, and DNS logs. - Notify the management team of significant changes in the security threat against the government networks in a timely manner and in writing via established reporting methods. - Coordinate with appropriate organizations within the intelligence community regarding possible security incidents. Conduct intra-office research to evaluate events as necessary, maintain the current list of coordination points of contact. - Review assembled data with firewall administrators, engineering, system administrators and other appropriate groups to determine the risk of a given event. - Maintain knowledge of the current security threat level by monitoring related Internet postings, Intelligence reports, and other related documents as necessary.
Clearance Requirement
Top Secret/SCI/with Poly
Category
Information Technology
ID
2021-1775
Job Locations US-NV-Las Vegas
Criterion Systems is seeking to hire a Senior Security Engineer. The successful security engineer will become an integral part of the Cyber Security Project Engineering team focused on delivering innovative solutions which enhance the capabilities of the Security Operations Center to detect and identify threat activity and system intrusions.  This job will involve a range of software development activities including web applications, big data analytics, systems integration, and utility applications.  Development projects employ DevOps practices and Agile methodologies to ensure timely delivery of solution improvements aligned with customer requirements.  This role will be responsible, working closely with Engineering teams to identify, design, implement, and test automated processes for solution delivery. A strong IT background, as well as knowledge of both Windows and Linux administration services is very beneficial.  - Work closely with Project Engineering team and project stakeholders to deliver needed solutions in a timely manner.  - Develop and maintain detailed technical documentation which includes solution requirements, use cases, system dependencies, test plans, build and deployment processes, usage guides, build artifacts, and release notes.  - Collaboratively design and implement custom software solutions which satisfy project requirements. 
Clearance Requirement
DOE Q
Category
Information Technology
ID
2021-1752
Job Locations US-MD-Beltsville
Criterion Systems is seeking a mission-focusedSenior Database Administrator with Microsoft Exchange to support and contribute to our government customer’s success in Beltsville, MD. The individual in this position must be a motivated team player that strives for professional and technical excellence in providing senior level Microsoft Exchange administration.   Primary Responsibilities include, but are not limited to: - Provide senior level Microsoft Exchange administration.  - Create architecture for new and/or upgraded product line.  - Mail flow, SMTP Protocol, RFC 5321, and RFC 974. - User and mailbox management - COOP Management and training. - SSP documentation and certification - PKI certificates - Monthly Microsoft patching and CUs. - Senior level Skype for Business administration.  - Skype Persistent Chat Room Administration. - Federation administration - SQL administration and mirroring. 
Clearance Requirement
Top Secret/SCI/with Poly
Category
Information Technology
ID
2021-1737
Job Locations US-VA-Herndon
Criterion Systems is seeking a mission-focusedSystems Engineer/Cloud Engineer Subject Matter Expert (SME) in platform engineering to support and contribute to our government customer’s success in Herndon, VA. The candidate must be a motivated team player that strives for professional and technical excellence.   Primary Responsibilities include, but are not limited to: - Responsible for the development and delivery of the modular enterprise engineering design and implementation plan for the Secure Web and Application Services and Storage and Backup solutions that shall support the infrastructure hosting workloads for both premises and Amazon Web Services (AWS). - Serve as the Platform Engineering SME to provide the technical guidance and direction to design the modular operating system baselines to support the modular data and application Tier hosting strategy.  - Work as part of a team to champion and implement SysOps and DevOps concepts within S&DS.
Clearance Requirement
Top Secret/SCI/with Poly
Category
Information Technology
ID
2021-1733
Job Locations US-VA-McLean
Primary Responsibilities include, but are not limited to: - Identifying misuse, malware, or unauthorized activity on monitored networks. - Analyzing all relevant cyber security event data and other data sources for attack indicators and potential security breaches. - Assisting in coordination during incidents. - Identifying intrusions utilizing various detection and prevention systems and other security event data sources on 24x7x365 basis.  - Analyzing intrusion related data to determine root cause and identify follow on activity while coordinating with Incident Handlers, Hunters, and various partners. - Correlating data from intrusion detection and prevention systems with data from other sources such as firewall, web server, and DNS logs, to include netflow, metadata, and pcap analysis. - Contributing in tuning and filtering of events and information, creating custom views and content using all available tools. - Reviewing assembled data with firewall administrators, engineering, system administrators and other appropriate groups to determine the risk of a given event. - Contributing to the development of playbooks and procedures for handling each security event detected.  
Clearance Requirement
Top Secret/SCI/with Poly
Category
Information Technology
ID
2021-1722
Job Locations US
Duties include: - Use User Interface/User Experience (UI/UX) skills to design and shape Human Centered Design (HCD) products and experiences. - Collaborate on scenarios, end-to-end experiences, and screen designs. - Collaborate with product management and engineering to develop requirements and define solutions for the product direction, visuals and user experience. - Create interaction models, flows and user interface specifications. - Conduct research, perform user testing, and evaluate feedback of applications and websites. - Define visual elements, product elements, and overall design. - Design wireframes, user stories, user journeys, and mockups optimized for a wide range of devices and interfaces.
Clearance Requirement
Top Secret/SCI/with Poly
Category
Information Technology
ID
2021-1710
Job Locations US-VA-Springfield
Criterion Systems is seeking a mission-focusedNetwork Engineer III to support and contribute to our government customer’s success in Springfield, VA. The individual in this position must be a motivated team player that strives for professional and technical excellence in performing research, requirements analysis, design, installation, documentation, troubleshooting, and sustainment of local- and wide-area network hardware and services. Primary Responsibilities include, but are not limited to:  - Develops system specifications, architecture designs, integration and test plans, and all relevant documentation. - Develops risk management and mitigation strategy. - Maintain compliance with QA standards as well as ensuring service performance indicators are met or exceeded.  - Focus will be on Requirements Analysis, Development and Implementation. - Engineer and implement solutions for Projects based on customer Change Requests. - Serve as the technical representative for assigned projects. - Provide recommendations on newly submitted actions items. - Coordinate issues with the appropriate owners/organizations. - Provide concurrence on decisions or recommendations by assigned suspense. - Elicit requirements using interviews, document analysis, surveys, site visits, scenarios, business analysis and test/workflow analysis. - Write requirement specs according to standard templates. - Decompose high-level business and user requirements into functional requirements. - Represent requirements using alternative views, such as analysis models (diagrams). - Perform requirement analysis and verification, ensuring requirement statements are complete, consistent, concise, comprehensible, traceable, feasible, unambiguous, and they conform to standards. - Manage requirements traceability information and track requirements status throughout the review process. - Identify requirement errors and defects, and write response statements to appropriate owners/organizations. - An understanding of how to practice requirements engineering according to several hardware/software development life cycles in a team environment. - Knowledge of product management concepts and how Enterprise network products are positioned and implemented. - Support network traffic analysis and bandwidth optimization efforts to ensure attainment of performance and availability objectives. - Evaluate and report on new/emerging network/communication technologies to enhance capacity, performance and reliability of the network. - Evaluate and recommend changes and/or technology upgrades to address performance, standardization and industry best practices. - Follows all Customer network security processes and procedures, ensures compliance with all Government policies. - Develop and maintain network architecture diagrams.
Clearance Requirement
Top Secret/SCI/CI Poly
Category
Information Technology
ID
2021-1696
Job Locations US-VA-McLean
Specific duties and responsibilities of the System Administrator may include, but are not limited to: - Responding to inquiries concerning all aspects of computer and network operations - Creating and managing user/group accounts (ex: Active Directory (AD) and Network Information Service (NIS)) - Installing, configuring, updating and removing system and application software - Installing, configuring, updating and removing system hardware (servers, workstations, monitors, printers, plotters, scanners, transceivers, network interface cards, network physical links) - Configuring NFS, NIS, SAMBA, etc. remote hosting/sharing protocols - Backing up and restoring files - Monitoring and allocating system resources (CPU, memory, and storage space) - Auditing system log files, to include compliance audits - Diagnosing and troubleshooting hardware and software problems - Documenting hardware and software configurations, maintenance history, and backup history - Implementing up-to-date system policies and procedures - Updating/patching system operating systems - Utilizing extensive DEVOPS capabilities such as the continuous integration/continuous delivery (CI/CD) to shorten systems development life cycle - Familiarity with software configuration management tools such as Puppet, ansible, etc. - Implementation and management of new and existing Active Directory services
Clearance Requirement
Top Secret/SCI/with Poly
Category
Information Technology
ID
2021-1695
Job Locations US-VA-Sterling
Criterion Systems is seeking a Linux Systems Administrator to support the design, development, and deployment of advanced cybersecurity capabilities. Duties include the following: - Applies expert knowledge in Linux/Unix environments for infrastructure support to an advanced cybersecurity environment. - Works with a team of highly skilled administrators to provide senior level administrative expertise for an RHEL environment. - Mentors junior system administrators and recommends design changes to improve the system operability.
Clearance Requirement
Secret
Category
Information Technology
ID
2021-1659
Job Locations US-VA-Dulles
Criterion Systems Technologies is seeking a Systems Administrator with Swimlane experience to support the design, development, and deployment of advanced cybersecurity capabilities.   Responsibilities Include: - Providing technical and system administration support through troubleshooting, identifying and isolating issues, conducting root cause analysis, and implementing appropriate solutions to software and system anomalies as they occur - Performing scans and remediating vulnerabilities in Linux and/or Windows environments. - Responding to application-related issues, resolving on-the-spot problems (when possible), replicating the issue for internal analysis/diagnosis, and preparing technical documentation accurately depicting the problem and/or solution for feedback to developer/vendor - Working alone on individual projects while being involved in larger projects as a team effort - Supporting the operations and maintenance aspects of deployed capabilities - Supporting the development of system security documentation on both new and previously deployed capabilities - Managing the functionality and efficiency of a group of computers running on one or more operating systems - Helping to maintain the integrity and security of IT systems - Adhering to policies and standards related to the use of computing resources - Interacting with users including providing advice and training as needed - Maintaining current knowledge of relevant technologies - Participating in special projects as requested
Clearance Requirement
Secret
Category
Information Technology
ID
2021-1598
Job Locations US-VA-McLean
The on-site system administrator will support the installation, configuration, maintenance, failure analysis and recovery, performance monitoring, data storage management, and security management of the data center environment. The system administrator will have experience in at least one, preferably two, scripting languages (shell, Perl, Powershell, Python, etc.) and shall have proven experience administering Linux operating systems in the conduct of their duties. The right candidate will have proven experience in problem solving. Specific duties and responsibilities of the Senior Linux System Engineer may include, but are not limited to:   Specific duties and responsibilities of the System Administrator may include, but are not limited to: - Architecting, deploying, and managing large Linux networked environments including deployment and configuration - Installing, configuring, updating and removing system and application software - Hardening Linux server installations - Installing, configuring, updating and removing system hardware (servers, workstations, transceivers, network interface cards) - Configuring NFS, SAMBA, and SAN - Monitoring and allocating system resources (CPU, memory, and storage space) - Proven experience creating, implementing, and maintaining scripts for process automation, infrastructure monitoring, and proactive reporting - Auditing system log files, to include compliance audits - Diagnosing and troubleshooting hardware and software problems - Documenting hardware and software configurations, maintenance history, and backup history - Implementing up-to-date system policies and procedures - Updating/patching system operating systems - Proven experience in all aspects of managing large Linux environments including the use of configuration management tools like Puppet and Ansible for centralized management and configuration of systems to enforce security controls - Ability to utilize analysis tools to resolve complex network, systems, and application performance problems - Responding to inquiries concerning all aspects of computer and network operations - Creating and managing user/group accounts (ex: Active Directory (AD)) - Responding to inquiries concerning all aspects of computer and network operations - Creating and managing user/group accounts (ex: Active Directory (AD)
Clearance Requirement
Top Secret/SCI/with Poly
Category
Information Technology
ID
2021-1588
Job Locations US-VA-McLean
Criterion Systems is seeking several candidates for various shifts as a Cyber Detection Analyst. These positions will be fixed shift, 4 days per week in McLean.    Available shifts are as follow: 1st Shift- (Sunday-Wednesday) 1st shift- (Wednesday- Saturday) 2nd shift- (Wednesday-Saturday)   The ideal candidates will be responsible for, but are not limited to: - Identifying misuse, malware, or unauthorized activity on monitored networks. - Analyzing all relevant cyber security event data and other data sources for attack indicators and potential security breaches. - Assisting in coordination during incidents. - Identifying intrusions utilizing various detection and prevention systems and other security event data sources on 24x7x365 basis.  - Analyzing intrusion related data to determine root cause and identify follow on activity while coordinating with Incident Handlers, Hunters, and various partners. - Correlating data from intrusion detection and prevention systems with data from other sources such as firewall, web server, and DNS logs, to include netflow, metadata, and pcap analysis. - Contributing in tuning and filtering of events and information, creating custom views and content using all available tools. - Reviewing assembled data with firewall administrators, engineering, system administrators and other appropriate groups to determine the risk of a given event. - Contributing to the development of playbooks and procedures for handling each security event detected.
Category
Information Technology
ID
2021-1574