Staff Security Engineer

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MANTECH seeks a motived, career and customer-oriented Staff Security Engineer to join our team in Chantilly, VA. You will support system security architecture and assurance by helping to implement robust cybersecurity frameworks, assess risk, and support system compliance activities. By leveraging your strong technical background, you will support the improvement and sustainment of mission-driven IT solutions th enable secure enterprise operions.
 

In this role, you will assist architects and system developers in identifying and implementing approprie informion security functionality to ensure consistent applicion of government security policy. You will perform and review technical security assessments of computing environments to identify vulnerabilities and recommend mitigion stregies. Furthermore, you will evalue proposed software, hardware, firmware, and infrastructure, including DEVSECOPS, containerizion, and zero-trust architectures, to ensure compliance with applicable security guidelines.
 

Responsibilities include but are not limited to: 

• Developing and providing Informion Assurance (IA) updes and Assessment and Authorizion (A&A) documention while running Tenable scans and supporting Authority to Opere (ATO) renewals

• Using Splunk to collect weekly CONMONs and upding Plans of Action & Milestones (POA&Ms) to ensure continuous monitoring compliance

• Assessing and closing alloced controls with Bodies of Evidence (BOEs) and applying required Security Technical Implemention Guides (STIGs)

• Working with network service providers to develop and maintain robust network architecture diagrams for cyber defense capabilities

• Evaluing and recommending technology upgrades to support performance improvements and alignment with industry best practices

• Monitoring and analyzing performance and faults while proposing solutions for system optimizion and collaboring with stakeholders to coordine technical informion

• Supporting A&A activities reled to network security technologies and maintaining a robust library of required documention
   

Minimum Qualificions: 

• Bachelor’s degree or 4+ years of additional work experience in lieu of a degree

• 2+ years of experience in IT and/or Cyber Security

• IAT Level II certificion or higher (Security+, Net+, etc.) or the ability to obtain certificion within 6 months of hire

• Experience creing, maintaining, and communicing complex informion technology and security documention

• Experience providing ISSE support and working closely with ISSMs and ISSOs to integre security controls and ensure compliance with RMF and NIST 800-53 standards

• Experience identifying security requirements for the proper handling of Government da to ensure systems meet all requirements

• Experience with technologies supporting large-scale enterprise deployments or da centers and inventorying complex networks
   

Preferred Qualificions: 

• Experience implementing and supporting complex, multi-component software solutions across a large team

• Experience deploying enterprise security software including firewalls, intrusion prevention systems (IPS), and virtualizion plforms

• Knowledge of Windows and Linux systems, TCP/IP networking, 802.1x, and core network security principles

• Experience with the Sponsor’s primary cyber risk and compliance automion tools
   

Clearance Requirements: 

• An active TS/SCI with polygraph is required for this position
   

Physical Requirements: 

• Must be able to remain in a stionary position 50%

• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

• Frequently communices with co-workers, management, and customers, which may involve delivering presentions

• Must be able to exchange accure informion in these situions

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