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Job #: R-00081121
Location: Arlington, VA
Category: Security Architecture and Engineering
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance: None
Referral Eligibility: Eligible
Referral Bonus Amount: $5000
Group: Intelligence

This job posting is no longer active.

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Job Description:

Leidos has an immediate need for a Senior Security Architect for a new customer on a highly-visible and strategic Cybersecurity Task Order. The Senior Security Architect will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment and the ability to coordinate multiple, concurrent tasks in an effective manner. This individual will work with internal team members to ensure the systems are functional, secure, and scalable. The systems and networks developed will be used to collect and process data and improve the customer’s security infrastructure. The Senior Security Architect will support the design and development of cybersecurity tools and technology along with integration of new architectural features into existing infrastructures while maintaining the integrity and security of enterprise-wide systems and networks.

Primary Responsibilities:

  • Provides technical leadership and support to a team of Senior/Junior Security Engineers with a broad scope of capabilities and tools, including Splunk, Tanium, Nessus, Forescout, Cyberark, SOAR, security stacks, networking protocols, Threat Intelligence Platforms, Cloud technology, and other security operations-related technologies.

  • Serves as a trusted advisor to customer senior leadership that supports and provides technical vision , guidance, and direction advice.

  • Keeps abreast of emerging and developing technologies, making recommendations, and participating in the customer technology selection process as appropriate.

  • Works with the Acquisition team to ensure that the most cost-effective technical solutions are selected.

  • Works with Security Operations to define security requirements and to ensure end-to-end process documentation and implementation for new technology and capabilities.

  • Participates and directs user acceptance testing efforts to ensure that new technology meets client needs.

  • Constantly looks for ways to lower the capital investment for customer solutions with more effective and efficient technology solutions.

  • Makes technology recommendations with professional presentations to customer stakeholders.

Basic Qualifications

  • The candidate must currently possess or be able to obtain a DHS EOD

  • Requires a Bachelor’s Degree and at least 12 years of prior relevant experience or Master’s Degree and 8 years of prior relevant experience.

  • At least 4 years of previous experience as a Security Engineer or a similar role

  • General knowledge of Splunk technology with hands-on administrative experience preferred

  • Software development experience in at least one programming language and one scripting language contributing to large development projects

  • Experience with some enterprise applications

  • In-depth experience in five with a preference of seven or more of the following: networking protocols, cloud technologies, virtualization, routers, security stacks, incident response, Threat Intelligence Platforms, BlueCoat, FireEye, mobility, penetration testing, Authorization and Accreditation (A&A), EnCase/malware analysis, network packet capture analysis.

  • Familiarity with Zero Trust concepts, technologies, and implementation strategies to incorporate into Customer solutions and support a transition to Zero Trust

  • Possesses a general understanding of enterprise-level performance issues and mitigations

  • Strong interpersonal and communication skills; ability to work in a team environment and build relationships with multiple stakeholders

  • Ability to draft IT Architectural diagrams to articulate technical solutions and nuance to non-technical stakeholders

  • Ability to work independently with minimal direction; self-starter/self-motivated

  • Ability to direct the work of other security engineers

  • Senior-level security or management certification is required, e.g. CISSP. Additional certifications are highly desirable.

  • Candidate must, at a minimum, possess one of these certifications: CASP, GCIH, GCWN, GISF, GISP, GSSP, GICSP, GSSP, SEI, CISSP, CSSLP, SSCP, CCNP, CCNP Security, CCIE Security, CEH, ECSP, MCSE, RHCA, RHCE, VCP, VCAP, VCIX, VCDX, Certified Splunk Architect, MS: Azure Administrator Associate, MS: Cybersecurity Architect Expert, MS: MS: Azure Solutions Architect Expert

Preferred Qualifications

  • Expertise with Microsoft Azure or AWS Cloud Platforms

  • Experience automating management tasks with Ansible, Puppet, or Chef

  • Experience working between different Cloud Provider environments (AWS, Azure, GCP)

  • Experience developing in Bash, Python, PowerShell

  • Experience working with SIEM tools such as Splunk to ingest, normalize, store, and maintain data from endpoint, network, and application source types

Pay Range:

Pay Range $113,100.00 - $174,000.00 - $234,900.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. The company’s 45,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $14.4 billion for the fiscal year ended December 30, 2022.  For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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