Senior Information System Security Engineer
Redhorse Corporation
Job Description
Job Description
About the Organization
Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We’re looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets.
About the Role
Redhorse transforms the way government uses data and technology. To support this mission, we are seeking a Senior Information System Security Engineer (ISSE) to provide expert technical and programmatic Information Assurance (IA) services. In this role, you will be the cornerstone of security for our nation's most critical network and information systems. You will bridge the gap between complex technical requirements and business processes, ensuring that as we innovate, we remain compliant, secure, and resilient against evolving threats. Your work will directly impact the security posture of systems that handle vital government data.
Key Responsibilities- Provide technical and programmatic Information Assurance services to internal and external customers to support network and information security systems.
- Design, develop, and implement security requirements within the organization’s business processes.
- Prepare comprehensive security documentation utilizing accepted guidelines such as DITSCAP, DIACAP, and NIST SP 800-37.
- Develop and execute Security Test and Evaluation (ST&E) plans to verify the efficacy of security controls.
- Conduct complex risk and vulnerability assessments to identify system weaknesses and recommend mitigation strategies.
- Analyze existing policies and procedures against Federal laws and regulations, providing strategic recommendations to close compliance gaps.
- Develop, test, and integrate computer and network security tools to enhance system defense.
- Manage and complete System Security Plans (SSP) and Contingency Plans to ensure operational continuity.
- Perform vulnerability assessments and develop risk mitigation strategies to address identified deficiencies.
- Secure system configurations, install security tools, and scan systems to determine and report compliance results.
- Conduct security program audits and develop solutions to lessen identified risks.
- Provide IA support for the development and implementation of security architectures to meet new and evolving requirements.
- Assist in computer incident investigations and perform root cause analysis.
- Develop strategies to comply with privacy, risk management, and e-authentication requirements.
- Must have an active TS/SCI with FS Poly security clearance
- Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field.
- 8+ years of related experience performing information assurance and information systems security engineering duties.
- Demonstrated experience in the certification and accreditation (C&A) of information systems.
- Direct experience with NIST SP 800-37 (RMF), DIACAP, NIACAP, or DCID 6/3 frameworks.
- Proficiency in developing System Security Plans (SSP) and performing vulnerability scans.
We encourage all candidates who meet the basic requirements to apply, even if you do not have any of the following experience:
- Professional certifications such as CISSP, ISSEP, or CISM.
- Experience with modern cloud security environments (AWS, Azure, or Google Cloud).
- Familiarity with automated compliance tools and DevSecOps pipelines.
- Operational experience with DataBricks, GitLab, or Jira in a secure environment.
- Experience leading a team of junior security analysts or engineers.
The salary range provided for this position represents the anticipated base salary for successful candidates. Actual compensation will be determined based on a variety of factors, including relevant experience, education, certifications, skills, security clearance level, geographic location, market conditions, and internal equity. In addition to base salary, eligible employees may participate in Redhorse's comprehensive benefits programs and may be eligible for performance-based or other incentive compensation, where applicable.
Redhorse Corporation is an equal opportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability, or any other protected class.
If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to access job openings or apply for a job on this site as a result of your disability. You can request reasonable accommodations by contacting Talent Acquisition at Talent- View email address on ziprecruiter.com
Redhorse Corporation shall, in its discretion, modify or adjust the position to meet Redhorse’s changing needs. This job description is not a contract and may be adjusted as deemed appropriate in Redhorse’s sole discretion.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
- Senior Information Systems Security Engineer (ISSE) TS/SCI CI PolyDepartment: Government Customer- ChantillyLocation: Chantilly, VASenior ISSEPosition Description:The Senior Information Systems Security Engineer provides support to the customer in the area of Cyber Security...Senior
$106.5k - $197.5k
Job Title: Senior Specialist, Information Security Systems Engineering (ISSE)Job Code: 38251Job Location: Chantilly, VAJob Schedule: 5/8 Monday - FridayJob Description:The successful candidate will support a highly motivated engineering team in defining, designing, implementing...SeniorRemote workFlexible hours$106.5k - $197.5k
...solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Information Security Systems Engineering (ISSE) Job Code: 38251 Job Location: Chantilly, VA Job Schedule: 5/8 Monday -...SeniorLocal areaRemote workMonday to FridayFlexible hours- ManTech International seeks a Senior Cloud Information System Security Engineer to secure mission-critical cloud environments for U.S. defense and intelligence customers. You will design and implement cloud security architectures, apply NIST RMF and FedRAMP controls, and...Senior
- ...MANTECH seeks a motivated, career and customer-oriented Senior Cloud Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA or Quantico, VA. Responsibilities include, but are not limited to: Identify information protection...SeniorWork at office
- ...Role Redhorse transforms the way government uses data and technology. To support this mission, we are seeking a Senior Information System Security Engineer (ISSE) to provide expert technical and programmatic Information Assurance (IA) services. In this role, you will...SeniorContract work
- Information Systems Security Engineer TS/SCI CI PolyDepartment: Government Customer- ChantillyLocation: Chantilly, VAMUST HAVE A TS/SCI PolyThe Information... ...limited direction and supervisionExperience briefing senior customer personnelAbility to organize and prioritize...
- OverviewVTG is seeking a highly skilled Information Systems Security Engineer (ISSE) to design, implement, and maintain security controls across enterprise systems and networks. This role ensures systems are compliant with security requirements while supporting mission-...
$165k - $210k
OverviewVTG is looking for an Information System Security Engineer (ISSE)s in multiple locations. (Note: position is contingent upon program award and the postions are located in Chantilly VA, Aurora CO, Springfield VA, Las Cruces NM, LAAFB, Vandenberg (Lompoc) CA and...For contractorsWork experience placement$140k - $220k
...Cryptographic Systems Engineer (CSE) Chantilly, VA Who We Are Aurex is a mission-focused aerospace and defense company building the next frontier... ...and certification of cryptographic solutions. This includes Security Requirements Development, Guidance and Analysis, Testing &...Contract workWork experience placement$154.5k - $220.2k
...Business Unit is seeking a Senior Cyber Assessment Engineer to lead the Cybersecurity Assessments... ...Counter-Unmanned Aircraft Systems (C-UAS) for the Department of Homeland Security (DHS). As a team member on... ...you will provide advanced information assurance (IA) solutions to...SeniorWork experience placementWork at officeLocal areaRemote workFlexible hours$120.8k - $265.8k
Job Title: Information Systems Security Engineer (ISSE)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity...Contract workWork experience placementLocal areaImmediate startFlexible hours$99k - $225k
Information System Security EngineerThe Opportunity:You will lead cybersecurity engineering efforts across the full system lifecycle for DoD collateral, SAP and SCI environments. This role ensures security requirements are integrated into system architectures, designs,...Full timeContract workPart timeWork at officeLocal areaRemote work$87.1k - $157.45k
Leidos is seeking an experienced Information Systems Security Engineer (ISSE) to lead the security architecture, design, and deployment of mission-critical applications across unclassified, classified, and corporate networks. This role is highly dynamic, requiring a security...Full timeWork experience placement$135k - $216k
...modernization of the National Airspace System (NAS) through the FAA’s Brand New Air... ...alongside leaders in aviation, engineering, data science, and systems integration... ....S. air travel. Peraton is seeking a Information Systems Security Engineer (ISSE) to join our team of qualified...Contract workFor subcontractorShift work- Information System Security Engineer (ISSE) TS/SCI FSPDepartment: Government Customer- HerndonLocation: Herndon, VAInformation System Security EngineerMinimum Qualifications:Five or more (5+) years’ experience maintaining security posture of Sponsor compute environments...
- ...technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to... ...community, defense, civil, and commercial markets.Information Systems Security Engineer - SMESeeking an Information Systems Security Engineer (ISSE...Full time
- ...small business that provides Software, AI/ML, and Cloud Engineering Solutions for our Department of Defense, Intelligence Community... ...for our customers and our country. We are looking for an Information Systems Security Engineer to support our client in defining security...Contract work
$105k - $125k
NVR, Inc. is seeking a Senior Security Engineer to work on site in Reston, VANVR’s technology teams... ...Senior Security Engineer to join our Information Security team. In this senior technical... ...and services that protect company systems, data, and users. This position is ideal...SeniorWork experience placement- ...Investigation's Criminal Justice Information Services Division's Headquarters. Founded in 2007 by an Engineer-by-trade, Fusion Technology... ...: Chantilly, VAWho are you?Security-cleared Professional: A Top Secret... ...of covert and virtualized systems; vulnerability research and...SeniorTemporary workWork at office
- ...Redhorse transforms the way government uses data and technology. To support this mission, we are seeking a Principal Information System Security Engineer (ISSE) who is a recognized authority in the field. This is a high-impact role where you will tackle unusually...Contract work
$5,000 per month
...Description Mission Context LV8D Solutions supports national security space and intelligence customers delivering next-generation sensing and exploitation capabilities. The role of Information System Security Engineer (ISSE)* is responsible for conducting information...Contract workTemporary workFor contractorsImmediate startFlexible hours$160k - $200k
...intelligence solutions and operations, network infrastructure, engineering and business enablement and enterprise operations company... ...and continues to grow. We are actively hiring an Information System Security Engineer (ISSE) with TS/SCI clearance and polygraph to...Contract workWork experience placement- ...Position Title: Information system Security Engineer (ISSE) Location: Chantilly, VA Clearance: Active TS/SCI required U.S. Citizenship required OMNI Consulting Solutions is seeking for Information system Security Engineer to provide technical cybersecurity...Full time
$145k - $210k
Senior Cyber Security EngineerCooley is seeking a Senior Cyber Security Engineer to join the Security team.Position summary: Cooley Technology... ...the security practices and systems implemented by the Firm. The... ..., EDR, and security information event monitoring (SIEM) systemsAs...SeniorFull timeTemporary workWork at officeFlexible hoursWeekend work$103.8k - $218.1k
Job Title: Senior Cyber Security Engineer (Splunk)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee... ...: Troubleshoot data collection issues and ensure system stability and integrity.System Maintenance:...SeniorContract workWork experience placementWork at officeLocal areaFlexible hours- ...SCI with PolygraphWhat You Will Do:The Senior IT Security Auditor will lead stakeholder... ...is an ideal role for someone with an information security and assurance or IT audit background... ...of client stakeholders, including IT system personnel such as Information System Security...SeniorFull timeFlexible hours
$105.4k - $207.8k
Position Summary Palo Alto Network Security Engineer/ Senior Consultant, Strategy, Growth, and... ...Prevention, intrusion prevention system/intrusion detection system (IPS/IDS),... ...integrating Palo Alto platforms with security information and event management/security...SeniorWork experience placementLocal areaRemote work- ...motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA.... ...and security posture across DoD systems. Responsibilities include but are not... ...levels to gather, supply, or coordinate information Support Assessment and Authorization...SeniorWork at office
$175k - $260k
...Have Seeking experienced offensive security professionals to conduct security assessments... ...Analyze computer networks and systems to identify and assess security weaknesses... ...certifications Experience with reverse engineering and exploit development Background in...SeniorContract workWork experience placementImmediate start
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Information System Security Engineer. Be the first to apply!
- information systems engineer Chantilly, Loudoun County, VA
- transmission engineer Chantilly, Loudoun County, VA
- digital communications systems engineer Chantilly, Loudoun County, VA
- communications engineer Chantilly, Loudoun County, VA
- telecommunication engineer Chantilly, Loudoun County, VA
- information system security engineer Chantilly, Loudoun County, VA
- IT security engineer Chantilly, Loudoun County, VA
- information technology security engineer Chantilly, Loudoun County, VA
- security engineer Chantilly, Loudoun County, VA
- senior application security engineer Chantilly, Loudoun County, VA


