Information Systems Security Engineer

Planet Technologies
Washington, DC
On-site

Who this role is best for

Federal sector professionals with RMF/NIST experience and active Top Secret Clearance will find this security engineering role in Washington, DC, emphasizing lifecycle integration and collaboration with ISSOs and developers.

Best fit for

  • Candidates with Federal environment experience and ATO support expertise will naturally fit this role.
    — “Proven experience working in a Federal environment using SDLC to integrate security engineering principles”
  • Individuals with NIST SP 800-53/RMF and security control implementation experience are well-suited for this position.
    — “Experience working with NIST SP 800-53/RMF, developing SSPs, SARs, and POA&Ms in support of ATO packages”
  • Candidates who have advised ISSOs, developers, and program managers throughout the system lifecycle will align well with this role.
    — “Proven success advising ISSOs, program managers, and developers throughout the system lifecycle”

Things to consider

  • Active Top Secret Clearance is mandatory, requiring a 10-year background investigation.
    — “Select positions at Planet Technologies have Federal Agency Clearance Requirements and may require up to a 10-year background investigation”
  • The role requires full-time, in-person work in Washington, DC, with no apparent remote flexibility.
    — “The ability and willingness to work onsite 5 days a week in Washington, DC”

How to stand out

  • Highlight your experience with ATO packages and security control validation in your resume and interviews.
    — “Supporting system owners, ISSOs, and development teams in achieving and maintaining a system’s Authorization to Operate (ATO)”
  • Emphasize your ability to prepare technical security documentation, such as SSPs and architecture diagrams.
    — “Ability to prepare effective technical security documentation”
  • Showcase your track record of participating in design reviews and making risk-mitigation recommendations.
    — “Previous participation in design reviews, and the ability to make recommendations to mitigate risks”
Pace · SteadyCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • system security
  • ATO packages
  • technical security controls
  • vulnerability remediation
Typical background
cybersecurityinformation technologycomputer science

Skills & requirements

Required

Security EngineeringSDLCSystem DesignSecurity ControlsVulnerability ManagementSecurity TestingTechnical DocumentationSecurity Compliance

Preferred

CisspIssepSecurity+Casp+CISMCSSP

Stack & domain

CisspIssepSecurity+Casp+CISMCSSP

About the role

Original posting from Planet Technologies via Lever

Planet Technologies, the Nation’s leading Microsoft services provider to the public sector, is looking for a highly motivated individual to join our growing team as an Information Systems Security Engineer (ISSE). In this role, you will be supporting impactful projects that make a difference for our country. 

The ISSE will integrate security engineering principles, requirements, and controls into the design, development, testing, and sustainment of information systems throughout the Systems Development Life Cycle (SDLC).

Responsibilties:

  • Responsible for integrating security engineering principles, requirements, and controls into the design, development, testing, and sustainment of information systems throughout the Systems Development Life Cycle (SDLC).
  • This role serves as the primary security engineering authority supporting system owners, ISSOs, and development teams in achieving and maintaining a system’s Authorization to Operate (ATO).
  • Identifies and documents information security requirements during system design and participates in design reviews, recommending engineering solutions to mitigate identified risks.
  • Supports the categorization, selection, implementation, and assessment of security controls under NIST SP 800-53/RMF, developing SSPs, SARs, and POA&Ms in support of ATO packages.
  • Engineers and validates technical security controls (access control, auditing, encryption, boundary protection) and conducts or supports security testing to verify control effectiveness.
  • Reviews system configurations against DISA STIGs, supports vulnerability management and remediation prioritization, and assesses the security impact of proposed system changes.
  • Prepares technical security documentation (architecture diagrams, control implementation statements, interconnection security agreements) and advises ISSOs, program managers, and developers throughout the system lifecycle.

Qualifications:

  • Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field, ideally with 8 years’ experience.
  • Proven experience working in a Federal environment using SDLC to integrate security engineering principles, requirements, and controls into the design, development, testing, and sustainment of information systems 
  • Previous success serving as the primary security engineering authority supporting system owners, ISSOs, and development teams in achieving and maintaining a system’s Authorization to Operate (ATO).
  • Previous participation in design reviews, and the ability to make recommendations to mitigate risks
  • Experience working with NIST SP 800-53/RMF, developing SSPs, SARs, and POA&Ms in support of ATO packages
  • Experience supporting vulnerability management and remediation prioritization, and assesses the security impact of proposed system changes
  • Ability to prepare effective technical security documentation
  • Proven success advising ISSOs, program managers, and developers throughout the system lifecycle.
  • Certifications including:  CISSP, ISSEP, Security+, CASP+/SecurityX, CISM, CSSP
  • The ability and willingness to work onsite 5 days a week in Washington, DC,
  • An active Top Secret Clearance

Planet Technologies is the leading provider of Microsoft Consulting Services to public sector and commercial organizations. Planet has significant experience in deploying business intelligence, cloud services, unified communications, and systems management with an emphasis building, deploying, and managing custom solutions that transform the business operations of federal government agencies. 

Planet Technologies does not discriminate in employment opportunities, terms and conditions of employment, or practices. All qualified applicants will receive consideration for employment without regard to race, age, gender, religious or political beliefs, national origin or heritage, disability, sexual orientation, protected veteran status, or any characteristic protected by law.  Select positions at Planet Technologies have Federal Agency Clearance Requirements and may require up to a 10-year background investigation and/or US Citizenship (clearable). 

Salaries for Information Systems Security Engineers at Planet Technologies range from $130,000 and $190,000. Several factors will impact final pay offered to a successful candidate including but not limited to the type and years of experience within the job, clearance level, the type of years and experience within the industry, education, training, etc.   

Visit www.go-planet.com to learn more about us. Details about our benefits can be found here Planet Technologies 2026-2027 Benefits Guide

Source: Planet Technologies careers (Lever)

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