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Information System Security Officer, Mid-Level

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

Information System Security Officer, Mid-Level
Cyber Security
Schriever Space Force Base
Colorado Springs, CO

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 Mid-Level Information System Security Officer (ISSO) to support 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:

  • Provide cybersecurity engineering support in the development and maintenance of MDAs IC common use systems in
    RMF using MDAs Enterprise Mission Assurance Support Service (eMASS).
  • Review, update, perform quality updates and process ATO renewals, review & process IATT renewals, review Control &
    Package workflows using MDAs eMASS instance.
  • Maintains Plan of Action & Milestones (POA&Ms) to include AO Liens.
  • Produce and maintain weekly/monthly/quarterly reports as needed by the ISSM.
  • Support MDA Control Validation Testing (CVTs) through tasking and tracking of deliverables ensuing timely completion.
  • Support MDA in other Cybersecurity inspections (eg; MCTO/CCRI).
  • Document and review Security Controls and Control Correlation Identifier CCI) answers.
  • Interface with the Admin/ ISSM and other ISSOs to provide coordinated responses on IC common use systems.
  • Participate in technical discussions with Government and Contract customers.
  • Perform Continuous Monitoring (ConMon) activities on assigned systems.
  • The successful candidate will:
  • Have demonstrable experience with ATO packages to include Customer Responsibility Matrix's for IaaS, PaaS and
    SaaS.
  • Have demonstrable knowledge of the Risk Management Framework (RMF).
  • Have demonstrable knowledge of the Enterprise Mission Assurance Support Service (eMASS) tool.
  • Have fundamental networking knowledge.

Salary Information: This position is expected to pay $100,000 - $130,000 annually; depending on experience, education, and any certifications that are directly related to the position.

Education and Experience:

  • Must have 6, or more, years of general (full-time) work experience
  • Must have 4, or more, years of directly related experience
  • Must have direct experience with eMASS
  • Must be able to maintain a restricted badge and work on site 5 days per week
  • Must have a current DoD IAT Level II approved certification
  • Must have, or obtain, an active DoD Secret Security Clearance

Desired Requirements:

  • Have experience with BMC Remedy
  • Have fundamental project management knowledge
  • Have experience with drafting and peer reviewing Policy and Procedure
  • Have experience with CND tools like ACAS, ESS, E-STIG, etc.

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 Driver's 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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