Washington, District Of Columbia

Where applicable, confirmation that you meet customer requirements for facility access which may include proof of vaccination and/or attestation and testing, unless an accommodation has been approved.

Secure our Nation, Ignite your Future

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.  At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

Currently, ManTech is seeking a motivated, career and customer-oriented Senior Principal Information System Security Engineer to join our team in Washington, DC.

Responsibilities include, but are not limited to:

  • Configure and maintain security tools to include but not limited to ACAS (Tenable Security Center/Nessus) Vulnerability scanning and reporting, HBSS (endpoint security), Ivanti Heat (device Control), and Splunk (SEIM).

  • Perform requirements analysis, design, and integration for complex software applications and collaboration infrastructures to be securely introduced into the network

  • Architect and implement technical solutions for Risk Management Framework (RMF) security controls.

  • Conduct assessment testing and reporting in accordance with the RMF and NIST 800-53; identifies deficiencies (POA&M) and provides recommendations for solutions; develop SCTM requirements for new applications and assist in identifying mitigation strategies

  • Develop automated continuous monitoring (CONMON) frameworks, identify key items needing monitored and functions to automate based on Applications SCTM controls.  Work with Splunk SME to integrate this function with Splunk.  Develop automated scripts and applications to perform tasks.

  • Provide ongoing recommendations on enhancing security support structures across networks via research and implementation plans

  • Participate in the change management process, and assess security impact of proposed changes

  • Write implementation and design documents describing how security features are implemented

  • Design and implement an encryption solution for workstations and the datacenter environment

  • Define, plan, design, and evaluate information security systems support structure tools with an emphasis on Splunk integration

  • Work with the Splunk SME to integrate applications, Splunk engineering configuration adjustments, maintenance, automation, and real-time dashboard configuration support

Basic Qualifications:

  • Requires Bachelor’s degree or equivalent in the fields of mathematics, telecommunications, electrical engineering, computer engineering, or computer science and 7-9 years related experience; or Master’s degree with 7-9 years of experience

  • Must possess excellent analytical skills and be capable of quantifying risk to enterprise systems and level of compliance with security policy

  • Experience working with Logs from various products such as Microsoft Servers, Microsoft Exchange, Linux

  • Experience utilizing some form of Log management or SEIM product such as ArcSight, Snort, Splunk, Quest Intrust, LogRythm etc…

  • Scripting Experience: PowerShell, VBScript, Batch Scripting (linux or windows)

  • Experience with assessment testing, RMF, information assurance tools, DoD STIG, and vulnerability assessment

  • DoD 8570 IAT Level III certification=

  • Experience with McAfee EPO (DISA HBSS)

  • Up to 10% travel

Preferred Qualifications:

  • ACAS (Tenable Security Center/Tenable Nessus) configuration experience a plus

  • Splunk Power user, Administrator or Architect certification

  • Expert level experience with Splunk design, configuration, and implementation

  • PKI, RSA technologies experience a plus

  • Javascript, HTML, CSS, python, SQL or SPL a plus (Basic Programming skills or knowledge)

  • Experience working with Data Loss Prevention or Device Control Policy systems desired

  • Linux Administration experience

Security Clearance Requirements:

  • Active Top Secret- SCI Clearance with investigation date within past 6 years.

Physical Requirements:

  • Must be able to remain in a stationary position up to 75% of the time

  • Must be able to move about inside the office to access file cabinets, office machinery

  • Must be able to position self to maintain office supplies on variable height shelving.

  • The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations.

  • Must be able to exchange accurate information in these situations

  • Must be able to observe and detect employee deviations from established policy

#LI-RB1

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click careers@mantech.com and provide your name and contact information.

Washington, District Of Columbia

ManTech was founded in 1968 to provide advanced technological services to the United States government. We began with a single contract with the U.S. Navy to develop war-gaming models for the submarine community. Over the years, our government's technology needs have increased dramatically in scope and sophistication, and we have grown to meet that challenge.

 

For more than 4 decades, we kept a careful eye on where emerging technologies were taking the government, and we developed the resources to master those technologies—by staying close to our customers and anticipating their needs, hiring talented professionals to propel us into the future, and acquiring companies with proven capabilities.

 

Today, we are a multi-billion-dollar public company that provides the innovation, adaptability, and critical thinking our government needs for success in defense, intelligence, law enforcement, science, administration, health, and other fields—throughout the nation and in many countries throughout the world. We are now applying the lessons learned in the unforgiving arena of national security to help the private sector protect networks and critical information.

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