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Senior Information Systems Security Engineer

HX5, LLC
life insurance, vision insurance, parental leave, paid time off, paid holidays, tuition reimbursement, 401(k)
United States, Alabama, Huntsville
Jul 10, 2025

Senior Information Systems Security Engineer
Cyber Security V
Redstone Arsenal
Huntsville, AL

HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide.

HX5 is currently seeking a qualified Senior Information Systems Security Engineer (ISSE) supports the Missile
Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract at Schriever Space Force Base in Colorado Springs, CO.

Essential Duties and Responsibilities:

  • Contribute to the development and deployment of program information security for assigned systems to meet the.
    program and enterprise requirements, policies, standards, guidelines and procedures
  • Implement Assessment and Authorization (A&A) processes under the Risk Management Framework (RMF), as well as
    product development and product maintenance for assigned systems
  • Perform security compliance continuous monitoring (CONMON)
  • Participate in security assessments and audits
  • Prepare and presents technical reports and briefings
  • Contribute to the identification of root causes, the prioritization of threats, and recommend/ implement corrective action
  • Provide mentoring and technical leadership within the information security program team
  • Explore the enterprise and industry for the evolving state of industry knowledge and methods regarding information
    security best practices
  • Support development of enterprise-wide information security policies, standards, guidelines and procedures that may
    reach across multiple stakeholder organizations
  • Be able to effectively communicate with customers and other team members, both orally and in writing
  • Have strong Organizational and multitasking abilities.
  • Have measurable leadership experience

Education and Experience:

  • Must have one of the following combinations of education and experience:
    • HS Diploma (or GED) and eight (8) years of general experience
    • Associate's degree and six (6) years of general experience
    • Bachelor's degree and four (4) years of general experience
    • Master's degree and two (2) years of general experience
  • Must have 6 years of directly related experience
  • Must have 1 year of experience working in a management or leadership role
  • Must have direct experience with the NIST Risk Management Framework
  • Must have experience with eMASS
  • Must have experience in utilizing security relevant tools, systems, and applications in support of Risk Management
    Framework (RMF) such as: NESSUS, ACAS, DISA STIGs, SCAP, Audit Reduction, and HBSS
  • Must have 1-year direct experience with Cross Domain Solutions (CDS)
  • Must be able to maintain a restricted badge and work on site 5 days per week
  • Must have a current DoD 8570.01-M IAT Level II certification (e.g. CompTIA Security+ CE Certification)
  • Must have, or obtain, an active DoD Secret Security Clearance

Desired Requirements:

  • Have experience in assessing and documenting test or analysis data to show cyber security compliance
  • Have experience working within the National Industrial Security Procedures and Operations Manual (NISPOM)
  • Be familiar with Isolated Network security best practices
  • Have a current CISSP certification or DoD 8570 IAT Level III Certification
  • Be proficient in Authorization to Operate (ATO) under the Joint (SAP) Implementation Guide (JSIG)

Position Type/Expected Hours of Work:

This is a full-time position requiring 40 hours per week and offers a flexible work schedule Monday through Fridayduring core business hours.

Other Position Requirements:

  • Proof of U.S. Citizenship or US Permanent Residency is a requirement for this position.
  • Must be able to complete a U.S. government background investigation.
  • Must be able to obtain a Secret clearance.
  • Must be able to travel, including air travel.
  • Must have a valid Drivers License.

HX5 offers a competitive salary and benefits package to include:

  • Medical/Dental/Vision Insurance
  • 401(k) plan with Company Match
  • Paid Holidays
  • Paid Time Off
  • Parental Leave
  • Life Insurance
  • Tuition Reimbursement
  • Identity Protection
  • Medical and Dependent Care Flexible Spending Accounts
  • Commuter/Transit Spending Accounts
  • Group Legal Coverage Options
  • Pet Insurance

HX5, LLC is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, age, national origin, ancestry, citizenship, disability, or veteran status.

HX5, LLC is a Drug Free Workplace Employer.

ACCESSIBILITY NOTICE:
If you need a reasonable accommodation for any part of the employment process due to a physical or mental disability, pleasecall (850) 362-6551.

CJ

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