Cleared On Site Information Systems Security Engineer - SME (5100)

SMX is hiring a number of Information Systems Security Engineer Subject Matter Experts to support a Law Enforcement OCIO's organization to provide Information Security as a Service support across all their major IT Systems These positions will be on site in Huntsville, AL and require an active Top-Secret clearance.


Essential Duties & Responsibilities:

- Lead, mentor, and supervise a team of security professionals responsible for the end-to-end implementation of the RMF lifecycle for FBI IT systems.
- Oversee and coordinate activities within the Prepare step, ensuring roles, responsibilities, and risk management strategies are clearly defined and maintained.
- Guide system categorization efforts to ensure all information systems are appropriately classified based on mission/business impact and regulatory requirements.
- Direct the selection, tailoring, and documentation of security controls aligned with system categorizations, Bureau risk appetite, and compliance requirements.
- Oversee the implementation of technical, operational, and management controls throughout system and application lifecycles, with a particular focus on quality and completeness of all deliverables.
- Ensure comprehensive security control assessments are planned, executed, and documented to validate the effectiveness of implemented safeguards.
- Prepare risk management documentation for system authorization and executive decision-making.
- Direct ongoing monitoring and continuous assessment activities, collecting metrics to adjust security strategies and ensure sustained compliance.
- Serve as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts.
- Foster a culture of security awareness, providing technical guidance and training to both team members and stakeholders.
- Track, report, and communicate status, risks, and improvement opportunities related to security engineering activities to leadership and stakeholders.
- Maintain up-to-date knowledge of RMF, NIST guidance, and industry best practices in support of continuous process improvement.

Required Skills & Experience


- Minimum 15 years' experience
- Experience working with Federal Law Enforcement customers
- Top Secret clearance with SCI eligibility
- Mastery of RMF lifecycle
- IT System Security controls

-Hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP) (or Associate), CompTIA Advanced Security Practitioner (CASP) CASP CE, Certified Secure Software Lifecycle Professional (CSSLP), CISSP- Information System Security Engineering Professional (ISSEP), or CISSP- Information System Security Architecture Professional (ISSAP)

Application Deadline: 4-29-2026

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The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.

The proposed salary for this position is:

$114,600-$192,500 USD

At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what's possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.

SMX does not sponsor a new applicant for employment authorization or immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).