Level 3 Communications, Inc

Specialist, Information Security Systems Engineering 1

Level 3 Communications, Inc$95K — $115K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Graduate Degree in cybersecurity or related field with relevant experience
  • Minimum of 6 years' experience, or 4 years with a graduate degree, or 10 years in lieu of a degree
  • DoD Secret Clearance required
  • Possession of a DoD 8140/8570-compliant certification (e.g., Security+, CISSP) or ability to obtain within 6 months
  • Strong understanding of cybersecurity governance, risk, and compliance (GRC)

Responsibilities

  • Execute RMF lifecycle activities including categorization and continuous monitoring
  • Develop and review RMF documentation such as SSPs and SARs
  • Apply security controls from NIST SP 800-53 and CNSSI 1253
  • Support STIG implementation and base configurations
  • Collaborate with engineering teams to integrate security requirements
  • Interface with stakeholders to support authorization processes
  • Track and report compliance and remediation status to leadership

Benefits

  • 9/80 work schedule allows for every other Friday off
  • Opportunities for professional certifications
  • Collaborative work environment with cross-functional teams
  • Engagement with high-assurance defense systems
  • Potential for travel up to 10% for project needs
Full Job Description
Job Title: Senior Specialist, Info Security Systems Engineering

Job Code: 41640

Job Location: Salt Lake City, UT

Job Schedule: 9/80 (employee's work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off)

Job Description:

As a Specialist, Information Security Systems Engineering at L3Harris Technologies, you will support the security accreditation and compliance of mission-critical communication systems. This role focuses on applying the Risk Management Framework (RMF) and related cybersecurity standards to ensure systems meet DoD and national security requirements.

You will work closely with systems, software, and hardware engineers to integrate security controls, develop authorization artifacts, and support system certification and accreditation activities. This position is ideal for engineers with a strong foundation in cybersecurity governance, risk, and compliance (GRC) who are interested in contributing to high-assurance defense systems.

Essential Functions:
  • Execute and support RMF lifecycle activities (categorization, control selection, implementation, assessment, authorization, and continuous monitoring)
  • Develop, maintain, and review RMF documentation (e.g., SSPs, SARs, POA&Ms, Security Plans)
  • Interpret and apply security controls from NIST SP 800-53, CNSSI 1253, and related guidance
  • Support implementation and validation of Security Technical Implementation Guides (STIGs) and other configuration baselines
  • Collaborate with cross-functional engineering teams (systems, software, hardware) to ensure security requirements are properly implemented
  • Interface with internal stakeholders, Authorizing Officials (AOs), and external assessors to support authorization efforts
  • Track and report compliance status, risks, and remediation activities to program leadership
  • Contribute to continuous monitoring strategies and ongoing system compliance
  • Travel up to 10% as needed


Required Qualifications (one of the following along with DoD Secret Clearance):
  • Bachelor's Degree in cybersecurity, computer science, information systems, or related field with and minimum 6 years of prior relevant experience.
  • Graduate Degree and a minimum of 4 years of prior related experience.
  • In lieu of a degree, minimum of 10 years of prior related experience.
  • Must have a DoD Secret Clearance


Preferred Additional Skills:

Certifications
  • One DoD 8140 / 8570-compliant certification (e.g., Security+, CISSP, SSCP, GSEC), or ability to obtain within 6 months of hire

Strongly Preferred
  • Exposure to cryptographic systems, FIPS 140-3, or NSA certification processes
  • Experience with high-assurance or classified systems
  • Hands-on experience executing RMF within DoD environments
  • Familiarity with tools such as eMASS or XACTA
  • Experience applying NIST SP 800-53 security controls and STIGs
  • Experience supporting Authority to Operate (ATO) processes
  • Strong technical writing and documentation skills


Systems & Technical Context
  • Understanding of networking concepts (TCP/IP, network architecture, boundary defense)
  • Experience working with embedded systems or communications systems
  • Familiarity with Agile or DevSecOps environments
  • Experience working in cross-functional engineering teams


Desirable (Nice-to-Have)
  • Familiarity with TEMPEST, Anti-Tamper, or related system security disciplines
  • Experience supporting government customers in a SETA/A&AS role
  • Additional certifications (CISM, CISA, CEH, GIAC, etc.)
  • Active TS/SCI clearance or ability to obtain

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