Information System Security Engineer (ISSE) Senior - Top Secret Clearance Required

What you will do

Support design and maintenance of a methodology to categorize FBI IT systems based on:

Architecture and technology stack Security classification level FIPS-199 impact level National Security System designation Hosting environment (on-premises, Azure, AWS) CNSS 1253 overlays Data sensitivity and data types Mission/business function System complexity and integration dependencies

Assess system architecture, interfaces, hosting models, and security control implications to help determine appropriate ISSO/ISSE support levels.
Analyze traditional, hybrid, and cloud-based systems to distinguish technical support requirements.
Support accurate grouping of systems based on risk, operational impact, engineering effort, and compliance obligations.
Translate technical system attributes into labor mapping recommendations aligned to ITSSS labor categories and seniority levels.
Partner with ISSOs and program leadership to ensure categorization decisions are technically sound, repeatable, and well documented.

What you need

Bachelor's degree in Information Security, Engineering, or related field.
8+ years of experience, or equivalent relevant work experience; e.g., each year of work experience may be substituted for each year of education required.
One of the following certifications: CCISO, CISA, CISM, CISSO, CISSP, CISSP-ISSEP, CPTE, CySA+, FITSP-A, GCSA, GSLC, or GSNA

Required Skills

Active Top Secret clearance required.
Experience assessing complex systems for security architecture, control implementation, and risk categorization.
Strong knowledge of:
FIPS-199
NIST SP 800-37
NIST SP 800-53
CNSS 1253
RMF
System security engineering principles
Experience with on-premises and cloud environments, including Azure, AWS, or hybrid enterprise systems.
Experience supporting technical security documentation and system authorization packages.
Ability to analyze diverse technical architectures and map findings to staffing, security, and compliance requirements.
Strong communication skills with the ability to explain technical issues to technical and non-technical stakeholders.

Preferred Skills

Experience supporting FBI, DOJ, DoD, IC, or other federal national security customers.
Experience with classified systems, cross-domain solutions, or National Security Systems.
Experience using GRC platforms or structured repositories for system and security data.
Familiarity with automation, workflow orchestration, or reporting tools supporting cybersecurity operations.

In addition, Agile Defense invests in its employees beyond just compensation. Agile’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Learning and Development opportunities as well as other optional benefit elections.

Our Core Values

Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental. Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together.

What makes us Agile? We call it the 6Hs, the values that define our culture and guide everything we do. Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions. It's how we show up every day. It's who we are.

Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do.
Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated.
Honest - Be Trustworthy. Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support.
Humble - Be Grounded. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
Hungry - Be Eager. Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges.
Hustle - Be Driven. Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success.

Information System Security Engineer (ISSE) Senior - Top Secret Clearance Required

What you will do

Information System Security Engineer (ISSE) Senior - Top Secret Clearance Required

What you will do

What you need

About Agile Defense

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