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Information System Security Officer (ISSO)

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Onsite

Information System Security Officer (ISSO)

Atea Sverige

Information System Security Officer (ISSO)

Skills

CybersecurityLinuxSystem & Network AdministrationChange ManagementComplianceRisk Management

5 days ago

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Important information


Contract type:

Permanent

Salary:

$115,000 – $185,000 / year

Location:

Westlake Village, CA, USA

Work mode:

Onsite

Published on:

19 October 2026

What they need


ATEA Technologies' Range EngineeringInstrumentation team is looking for an experienced Information System Security Officer (ISSO) to join our team om Westlake Village. Candidate will perform tasks related to completing (and maintaining) AssessmentAuthorization (A&A) and Authorizations to Operate (ATOs) for assigned Information Systems (i.e., applications, networks, devices). This position will be part of a team developing recommended courses of action needed to maintain and enforce current Risk Management Framework (RMF) policies and procedures for compliance to support our test range customers. The position will focus on routine daily tasking directly interacting with customers to assist with management and execution of RMF activities for information systems.

The position will guidance and expertise to solutions for complex problems related to securing systems across a diverse, distributed network operating in remote, challenging environments - often with broad definitions and challenging applications of specialized theories and knowledge. The team supports security tasks outside the area of expertise as needed (e.g., program security) to help execute the mission.

Responsibilities include:

  • Drafting RMF documents (SSPs, RARs, POAMs, SCTMs, SOPs, ST&Es, etc.) as well as managing Enterprise Mission Assurance Support Service (eMASS) records for all Collateral Information Systems as required
  • Lead the classified incident handling process and oversee the reporting and investigation of Information System security related incidents
  • Performing sustainment activities, including change management, account management, auditing, media protection, user training, file transfers, etc.
  • Work with system administrators, engineers, and developers to create or update system/site policies, procedures, and process guides
  • Conduct Self Assessments for risk and vulnerability assessments of information systems to identify vulnerabilities, risks, and protection needs

Requirements:

  • Candidate must be a US Citizen and possess at least a Secret Clearance
  • Bachelor's Degree in a related discipline and at least 10 years of experience in cybersecurity or information technology (preference for managing government systems)
  • Candidate must possess appropriate certifications such as CISSP, CASP, CISM or equivalent
  • Experience working with eMASS for collateral systems is required
  • System Admin experience with Red Hat Enterprise Linux (RHEL) and current Windows OS preferred
  • Experience using Tenable Nessus/ACAS Scanning Software or equivalent
  • Knowledge of common security technologies competent hands-on support and configuration ability in at least one security technology (i.e., SIEM)
  • Experience in assessing systems using NIST 800-53, DISA STIGs and SRGs, SCAP Compliance Checker and/or STIG Viewer
  • Candidate should demonstrate familiarity with NISPOM, DAAPM, RMF, CMMC and other NIST (i.e., 800-171) publications
  • Ability to travel as needed, up to 20% (typically less)

About ATEA Tech:

We leverage the predictive capability of our high-fidelity computational physics solvers, indigenous massively parallel supercomputer system, prototyping facilities, and ballistics and mechanics lab to investigate a variety of high-rate physics phenomena.

The results are complex engineering solutions for a variety of applications, aircraft, ballistic missile defense, cybersecurity, motorsports, armor development, biological systems, and missile and warhead design and development. These results are achieved with optimal design and cost efficiency due to the predictive capability of our in-house tools and end-to-end integrated approach.

Benefits:

  • Employee Stock Ownership Plan via our generous 401(k) Matching
  • Medical Insurance via Blue Cross - including a PPO and High-Deductible offering (with company HSA contribution)
  • Paid Time Off (PTO) based on years of industry experience (not tenure)
  • Career Development and Continuing Education opportunities
  • Company provided life, long-term and short-term disability insurance Incentive opportunities to reward strong performance and corporate growth

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