Full-Time

ACAS Operator

Confirmed live in the last 24 hours

Leidos

Leidos

10,001+ employees

Provides technology solutions for defense and healthcare

Data & Analytics
Enterprise Software
Cybersecurity
Defense

Compensation Overview

$57.9k - $104.6kAnnually

Junior, Mid

No H1B Sponsorship

Montgomery, AL, USA

US Citizenship, US Top Secret Clearance Required

Category
Cybersecurity
IT & Security
Required Skills
PowerShell
Bash
Python
Perl
Risk Management
Linux/Unix

You match the following Leidos's candidate preferences

Employers are more likely to interview you if you match these preferences:

Degree
Experience
Requirements
  • Associates in Computer Science/Information Systems, Science/Engineering/Math with 1-3 years of relevant experience OR Bachelors with 2-4 years of prior relevant experience. May substitute experience in lieu of degree.
  • Must have hands-on experience in: ACAS and/or Tenable.sc (SecurityCenter) or Tenable Nessus products; Familiarity using ACAS or Tenable .SC/Nessus best practices; Linux-based (RHEL) or Windows operating systems support with experience in mid-to-large enterprise data center environment; familiarity with network patch/update management; Experience with virtualized environments (VMware vSphere, ESXi).
  • Must have experience setting up and executing Tenable Nessus scans, review scan data, assess reports and trends through SC interface; determine whether a completed scan provide valid results, and ensure reports/dashboards meet customer needs and expectations.
  • Demonstrate advanced diagnostics, analytical, troubleshooting skills.
  • System hardening experience strongly preferred.
  • Scripting experience: Bash, Perl, PowerShell, Python, or Nessus Attack Scripting Language (NASL).
  • Disaster Recovery - knowledge in risk reduction, hot/warm site DR architecture.
  • Knowledge of data communications, local-area networking (LAN), wide-area networking (WAN), VoIP, routers, switches, and firewalls; Advanced networking concepts, VLAN, trunking and port channel; Thorough understanding of Internet Protocol (IP) routing, switching, and OSI model.
  • Possess refined critical thinking skills, should be a motivated self-starter, and multi-task capable.
  • Good communication and interpersonal skills; Ability to follow policies and procedures; Ability to communicate in a clear speaking voice as well as the ability to respond clearly to questions; Aptitude to address negative situations and resolve them in a positive manner; Approach work tasks as diplomatic, adaptive to a dynamic environment, dependable and reliable.
Responsibilities
  • Operate the security and compliance baseline configuration, inventory, and best practices for the vulnerability management solution (VMS) deployed across multiple unclassified and classified network locations supporting the implementation for Tenable products within Assured Compliance Assessment Solution (ACAS) including .SC (SecurityCenter™) and Nessus® scanners; Also 2.0 Architecture Components: Nessus Networking Monitor (NNM), Nessus Manager and Nessus Agents use cases.
  • Conduct assessments of threats and vulnerabilities; determine deviations from acceptable configurations, enterprise or local policy.
  • Ability to assess the level of risk, develop or recommend meaningful insights about the context of an organization threat environment to improve its risk management posture; measure effectiveness of systems/networks/endpoints that deviate from acceptable configurations, enclave or local policy.
  • Work in concert with other Tenable operators, integrator and IA personnel responsible for operating and maintaining the ACAS program in multiple enclaves.
  • Coordinate system activities such as deploying, configuring, monitoring, tuning, upgrading, and troubleshooting Tenable components spanning local, remote and complex environments.
  • Record configurations, conduct assessments and submit suggestions to scan schedule(s), scanners scan zones, repository management, chart Credentials >Assets >Scans >Reports >Dashboards.
  • Ability to analyze and document Department Information Systems Agency (DISA) Security Technical Implementation Guidelines (STIGs) applicable to each Non-classified or Secret Internet Protocol (IP) Router Network (NIPRNet, SIPRNet) environment for all ACAS implementations.
  • Responsible for acquiring, configuring and ensuring external deliverables: DISA/Continuous Monitoring and Risk Scoring (CMRS), importing vulnerability and security audit plug-ins, DoD Patch Repository Defense Asset Distribution System (DADS), build/maintain vulnerability and audit repositories.
  • Assist mapping scan zones, scanners, subnets to include leveraging enterprise network application tools such as Forescout, SolarWinds Orion, McAfee Endpoint Security Solutions (ESS) and/or Microsoft Endpoint Configuration Manager (MECM).
  • Continuously assesses current ACAS implementations for scans, assets, analysis and permissions.
  • Assist with validation and sustainment of documentation such as System Security Plans, Network Address Declaration (NAD), security groups/roles/permissions and/or zones/credentials/scans.
  • Document steps required to design/engineer ACAS systems for each network to include IP address, Fully Qualified Domain Name (FQDN), DNS entries, Role Based Access Controls (RBAC), service accounts, certifications, licenses and physical/virtual location of each component.
  • Create network diagrams of the designs with Microsoft Visio (include specialty requirements).
  • Implement/create report dashboard designs, automated custom email report notifications, report repositories for each environment that are specific to the following audiences: Leadership & Executives; Cybersecurity Staff; System Administrators; Application Maintainers.
  • Ensures networks receive periodic updates from AFCYBER-released software patches, updates, and upgrades via Time Compliance Technical Orders (TCTO), Time Compliance Network Orders (TCNO), Maintenance Tasking Order (MTO) and Notices to Airman (NOTAMs).
  • Responsible to assist/troubleshoot schedule scans are covering 100% of intended targets ensuring timely and accurate scanning and reporting per PMO, IA and DoD policies and orders.
  • Maintain the Nessus scanners connectivity with the associated Tenable.sc (formerly SecurityCenter).
  • Provide cyber security staff scanning capability and system administration continuity.
  • Maintain effective communications with other external and internal teams essential to ACAS operations.
  • Create/maintain/implement custom security policies in line with DISA ACAS best practice guidance.
  • Assist AF Cyber personnel with the DISA Information Assurance Vulnerability Management (IAVM) programs, cybersecurity toolsets, and Operation Order (OPORD)/Fragmentary Order (FRAGO) support.
  • Perform systems analysis, design review, integration of complex system applications.
  • Ensures external networks receive cybersecurity inventory reporting for compliance data via ACAS to DISA CMRS and DoD Enterprise Logging Ingest and Cyber Situational Awareness Refinery (ELICSAR) Big Data Platform (BDP) and update Plan of Actions, Milestones (POAMs) documentation.
  • Participate in all phases of the Vulnerability Management (VM) life cycle with emphasis on the scan, patch, rescan, mitigation factors and reporting phases.
  • Assist in the installation/maintenance of configuration files, custom security policies, plug-ins, signatures, certificates, DISA STIGs and checklist configuration audits and other such files necessary to add vulnerability discovery capabilities into the ACAS system.
  • Rack and provision government furnished equipment (GFE) servers when applicable.
Desired Qualifications
  • System hardening experience strongly preferred.

Leidos operates in the technology, science, and engineering sectors, focusing on enhancing safety, health, and efficiency. The company provides specialized solutions in defense, aviation, information technology, and biomedical research, catering to government agencies, private companies, and healthcare organizations. Leidos offers services such as cybersecurity, data analytics, systems integration, and software development, which are tailored to meet the unique needs of its clients. This approach helps clients tackle complex challenges and improve their operational efficiency. Revenue is generated through long-term contracts and service agreements, ensuring a stable income stream. Leidos is recognized for its commitment to sustainability, corporate responsibility, and workplace diversity, making it a respected employer and a leader in promoting inclusion.

Company Size

10,001+

Company Stage

IPO

Total Funding

$36.5M

Headquarters

Reston, Virginia

Founded

1969

Simplify Jobs

Simplify's Take

What believers are saying

  • Partnership with University of Edinburgh boosts AI and data science innovation.
  • Growing demand for cybersecurity in healthcare presents expansion opportunities.
  • Digital twins trend benefits Leidos' systems integration and software development.

What critics are saying

  • Emerging tech firms increase competition in the defense sector.
  • Rapid tech changes in AI may require significant investment to keep pace.
  • Potential government defense budget cuts could impact long-term contract revenue.

What makes Leidos unique

  • Leidos excels in defense, aviation, IT, and biomedical research markets.
  • The company is renowned for its cybersecurity and data analytics expertise.
  • Leidos is committed to sustainability and corporate responsibility.

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Benefits

Medical, dental, & vision insurance

Health Savings account

Income protection

PTO

Paid parental leave

Jury duty pay

Bereavement leave

401(k) Retirement Plan

Employee Stock Purchase Plan

Family Benefits

Company News

MarketBeat
Feb 13th, 2025
MeadowBrook Investment Advisors LLC Invests $333,000 in Leidos Holdings, Inc. (NYSE:LDOS)

MeadowBrook Investment Advisors LLC invests $333,000 in Leidos Holdings, Inc. (NYSE:LDOS).

GovCon Wire
Jan 16th, 2025
Leidos Appoints Milton Yang, Sean Egger to VP Roles

Leidos appoints milton Yang, sean egger to VP roles.

ExecutiveBiz
Jan 8th, 2025
Leidos Names Megan Block as VP, National Security Capture Excellence Lead

Leidos has appointed Megan Block as vice president and national security capture excellence head.

MarketBeat
Jan 7th, 2025
Oliver Luxxe Assets LLC Invests $1.23 Million in Leidos Holdings, Inc. (NYSE:LDOS)

Oliver Luxxe Assets LLC invests $1.23 million in Leidos Holdings, Inc. (NYSE:LDOS).

GovCon Wire
Dec 27th, 2024
Leidos Promotes Steve Boraz to VP Role

Leidos promotes steve Boraz to VP role.