Senior Information Systems Security Engineer

We harness the power of innovation so that you can change the world and help our customers solve their most complex challenges

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United States of America
US - CO, Colorado Springs
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Information Technology
In a world of possibilities, pursue one with endless opportunities. Imagine Next!

When it comes to what you want in your career, if you can imagine it, you can do it at Parsons.  Imagine a career working with intelligent, diverse people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We’ve got what you’re looking for.

Job Description:

Parsons is seeking a skilled Sr. Information Systems Security Engineer (ISSE) to enhance our dynamic team. In this pivotal role, you will concentrate on integrating cybersecurity measures into system design, aiming to effectively manage cyber disruptions, reduce vulnerabilities, and ensure system integrity. Your responsibilities will include developing strategies to minimize misuse and malicious activities, assisting in the system accreditation process, and supporting Defensive Cyber Operations. Join us and contribute to safeguarding our digital infrastructure.

What You'll Be Doing:

  • Collaborates with customers and interdisciplinary SAFe® Agile engineering teams to assess operational demands, break down requirements, and formulate cybersecurity functional requirements; supports agile development to enhance security posture, focusing on mission compliance within a SAFe® framework.
  • Coordinate with various agile teams to ensure that appropriate security requirements are met for both cloud and on-premises environments and validate security solutions.
  • Collaborate closely with Software Developers, System Designers, Operators, and industry partners to integrate security into products, develop new standards, and identify requirement gaps, aiming to achieve a strategically robust long-term system configuration.
  • Provide system security engineering in alignment with the processes, tasks, and activities outlined in DOD Instruction 8510.01, Risk Management Framework (RMF) for DoD Information Technology (IT).
  • Review program requirements, deliverables, and activities to assess the adequacy of information security architecture, identify necessary risk reduction measures, and define operational monitoring and defensive capabilities.
  • Implement cybersecurity and DoD RMF activities to incorporate required security capabilities across both cloud and on-premises deployments.
  • Design and execute risk assessments to verify that security capabilities are implemented correctly and provide sufficient resilience against anticipated threats.
  • Strong ability to produce and maintain varied technical documentation.

What Required Skills You'll Bring:

  • Active Top-Secret Clearance with SCI eligibility
  • BS degree in Cybersecurity/Computer Science/Engineering or other relevant field from an accredited university with minimum 5 years of experience.
  • MS degree in Cybersecurity/Computer Science/Engineering or other relevant field from an accredited university with minimum 3 years of experience.
  • Must have IAT Level III or IAM Level III certification. DoD 8570.01/8140.03 Certification: CISSP, CISA, CISM, CASP+.
  • Conducts vulnerability assessments of systems and application using Assured Compliance Assessment Solution (ACAS).
  • Evaluating the effectiveness of methods used to safeguard systems, devices, procedures, and information.
  • Develop Security Test and Evaluation (ST&E) control validation procedures, execute ST&E, and document results.
  • Develop documentation, policies, and procedures; manage Ports, Protocols, and Services (PPSM); create system and network diagrams and descriptions; review past certification and accreditation documents; compile and generate RMF artifacts, including Security Test and Evaluation (ST&E) results.
  • Possess hands-on experience with secure configuration management techniques, such as Security Technical Implementation Guides (STIGs).

What Desired Skills You'll Bring:

  • Experience implementing or assessing cybersecurity solutions using technologies such as:
    • Nessus, Open SCAP, SCAP or other auditing tools
    • Splunk/ELK or other SIEM monitoring tools.
    • Microsoft Windows Server Active Directory
    • RedHat Linux/OpenShift/Ansible
    • Virtualization Platforms: Hyper-V, VMware
    • Containerization/Kubernetes
    • Familiarity or experience working with AWS/AZURE.
  • Experience presenting verbal/written communications to Senior leadership including ISSMs, ISOs, security directors.
  • Act as an advisor to the Government ISSM on ATO extensions, body of evidence reviews.
  • Experience guiding systems through the approval process per NIST-800-37 RMF

Minimum Clearance Required to Start:

Top Secret

This position is part of our Federal Solutions team.

Our Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our diverse, intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.

Salary Range: 

$83,300.00 - $145,800.00

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

This position will be posted for a minimum of 3 days and will continue to be posted for an average of 30 days until a qualified applicant is selected or the position has been cancelled.

Parsons is an equal opportunity employer committed to diversity, equity, inclusion, and accessibility in the workplace. Diversity is ingrained in who we are, how we do business, and is one of our company’s core values. Parsons equally employs representation at all job levels for minority, female, disabled, protected veteran and LGBTQ+.

We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!

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We’re committed to delivering innovative infrastructure, defense and security solutions to enable a sustainable, safer, smarter and more connected world.


Founded in 1944, Parsons Corporation, a digitally enabled solutions provider, is focused on creating the future of the defense, intelligence, and critical infrastructure markets. From Earth to outer space, we deliver tomorrow’s solutions today. Equipped with the capabilities required to take on any defense, intelligence, or critical infrastructure challenge, our agile, innovative, and disruptive approach enables us to deliver solutions at the speed of relevance.

Our people are our greatest asset. We strive to be an employer of choice that engages employees in the community and creates rewarding career paths to cultivate a resilient workforce that is ready for the future.


Parsons has contributed to major infrastructure projects in Canada since the 1940’s, helping to design and build many well-known landscapes across the country, including the Regina Bypass, Turcot Exchange, Kicking Horse Canyon, Olivier-Charbonneau Bridge, and the Edmonton Light Rail Transit. Our markets are diverse, including Bridge, Tunnel, Road and Highway, Aviation, Rail and Transit, Smart Vehicle Solutions, Smart Mobility, Integrated Delivery, Environmental Remediation, Mining and Reclamation, and Water/Wastewater, as well as serving numerous industrial clients. The Parsons’ signature stands out and our achievements have been recognized via numerous awards for innovation and quality, particularly in long-span bridges, complex brigles, and major road networks expansions. Our teams work across Canada in many provinces, including Alberta, Ontario, Manitoba, British Columbia, Quebec, Saskatchewan, Northern Territories and the Yukon.

Parsons is an equal opportunity, drug-free employer committed to diversity in the workplace. Minority/Female/Disabled/Protected Veteran/LGBTQ+.

2021 Forbes The Best Employers for Diversity Badge

For more about Parsons, visit and follow us on Facebook, Twitter, LinkedIn, and YouTube.

2023 Military Friendly Top 10 Employer Badge
Diversity, Equity, Inclusion & Belonging Badge
2023 World's Most Ethical Companies Ethisphere Badge
2023 Readers' Choice Top 50 Employer for STEM Workforce Diversity
2023Woman Engineer Magazine Top 50 Employer Badge
2023 Los Angeles Business Journal DEI Company of The Year Badge
2023 Equality 100 Leader in LGBTQ+ Workplace Inclusion Badge
2023 Vets Indexes 4 Star Employer Badge
2023 Military Times Best Employer for Vets Badge
Proudly Supporting ESGR Badge
2023 Minority Engineer Magazine  Reader's Choice Top 50 Employer Badge
2022 U.S. Department of Labor Gold Award Badge
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4 Continents

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75+ Years

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17,000+ Employees

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80+ Languages


Financial Wellness

We care about your financial wellbeing. Parsons offers competitive pay and retirement plans to help you build wealth for the future while giving you the flexibility to diversify your investments.

Work Life Harmony

Balance in life is important and time away from the office is imperative to allow you to refresh and focus your attention on the things that matter to you. Parsons supports your time away by providing paid time off and paid flexible holidays.

Career Development

We are committed to fostering the personal and professional growth of our employees. Develop and advance yourself though our comprehensive training, educational and mentorship programs.

Veteran Support

We provide Industry leading benefits to support veterans and active-duty members to provide security for you and your family by offering robust leave and benefits; including paid active-duty military leave and paid time off when transitioning back to civilian life.

Mind & Body

At Parsons we inspire healthier habits, heathier minds, and a healthier you through our wellness program. Participate in our weekly Meditation Mondays and Wellness Wednesdays. Wellness, at Parsons, is more than just your annual checkup.


Health is not a one size fits all. At Parsons, we offer a robust Employee Assistance Program as well as comprehensive medical, dental and vision plans through large, national carriers with the choice of regional PPO, HDHP, or HMO networks.

Want to learn more about the benefits eligible for the Parsons’ location you are interested in? Connect with one of our recruiters for further detail.

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Parsons has a long-standing reputation as an industry leader in domestic and international engineering and construction projects. The company also has a solid history supporting federal government work.”

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Sr. Corporate Recruiter


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