JobsCyber SecurityUnited StatesCyber Security Engineer - Mid Level

Quantum Sky

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Cyber Security Engineer - Mid Level

Quantum Sky · United States

Full-timeRemote5-10 yrs$130k–$140kListed as no visa sponsorshipIT Services and IT Consulting
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In short

The Cyber Security Engineer will manage, configure, and optimize network and host-based security tools while developing automation scripts and security documentation. They will also perform security impact analyses, design secure architectures, and mentor team members to ensure compliance with governmental standards.

What they're looking for

MUST-HAVE SKILLS

Security Engineering experienceForescoutData Loss Prevention (DLP)Windows Server and Linux administrationSIEMFireEye or network malware detectionTCP/IP networking

ALSO MENTIONED

Intrusion detection and prevention (IDPS)Web application firewall (WAF)DISA STIGs and CIS Benchmarks

Candidates must have at least 5 years of general experience with 3 years specifically in Security Engineering or Cyber Ops. A bachelor's degree in a technical field is required, along with proficiency in enterprise security platforms, scripting, and network protocols.

About the employer

Quantum Sky

At Quantum Sky, we harness AI and quantum to deliver secure advantage for the nations toughest missions.

Quantum Sky is a mission technology company that builds secure AI, cyber, cloud, and quantum capabilities for defense, intelligence, and federal civilian agencies.

Read more

Our customers operate in environments where technology moves faster than ever, the data is more complex, and the threat surface keeps expanding. Quantum Sky helps them stay ahead. We combine trusted government delivery with applied AI, cyber, cloud, and software expertise, and deepening quantum research, to modernize critical systems, protect mission data, and operate with greater speed, resilience, and decision advantage. At the core of our model is Project 137, our applied innovation and IP engine that turns emerging technology into fielded mission advantage, capability agencies can field, trust, and sustain, not just pilot. Headquartered in Reston, Virginia, Quantum Sky engineers practical advantage for the nation's most critical missions. Follow us for the latest on our capabilities, insights, and mission impact. Learn more at quantumsky.com.

INDUSTRY
IT Services and IT Consulting
COMPANY
Privately Held
FOUNDED
2018
HEADQUARTERS
Reston, Virginia
SIZE
1,001-5,000on LinkedIn
OFFICES
12 on LinkedIn
OPEN HERE
4 roles

KNOWN FOR

NetworkingUnified CapabilitiesNextGen InfrastructureMobilityVideoWireless

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Questions about this role

Is this Quantum Sky role remote?
Tagged remote.
What does it pay?
The posting lists $130,000–$140,000 a year.
Does it sponsor visas?
Listed as no visa sponsorship.
What experience does it ask for?
Listed as 5-10 years.

The posting, in full

Quantum Sky is searching for an experienced Cyber Security Engineer to support architecture, system administration, network administration, and cyber security operations. Tasks are expected to be executed while coordinating with various government teams in mission-critical environments. Administer, configure, manage, patch, upgrade, design, and optimize network and host-based security tools and systems

▶ READ THE FULL POSTING

Description

Quantum Sky is searching for an experienced Cyber Security Engineer to support architecture, system administration, network administration, and cyber security operations. Tasks are expected to be executed while coordinating with various government teams in mission-critical environments.

Responsibilities

  • Administer, configure, manage, patch, upgrade, design, and optimize network and host-based security tools and systems
  • Evaluate, install, configure, test, and update network and host-based security systems and hardware
  • Develop network and host-based security systems and security operation center knowledge base articles, how-to documents, standard operating procedures, and policies
  • Develop scripts or code to automate operations, administration, maintenance, or analysis of data and systems
  • Develop, document, and review secure baseline configurations for each technology used within the environment
  • Assist in determining authorization boundaries and placement of new systems within the Agency’s enterprise architecture
  • Support the development of new systems, and modernization of legacy systems that are in line with Security and Enterprise Architecture requirements
  • Design, develop, and maintain detailed security drawings
  • Develop alternative system designs and architectures
  • Develop and document Solution Architecture Models, Threat Models, and CONOPS Security Operations
  • Perform security impact analyses for proposed changes to assigned systems
  • Review IT system plans to ensure designs meet governmental standards and provide an appropriate level of protection for client systems and data
  • Conduct gap analysis of system requirements and components
  • Mentor teammates

Qualifications

Required

  • Minimum 5 years general experience and 3 years of Security Engineering OR Cyber Ops experience
  • High initiative, independence, and ability to produce clear plans in unclear operating environments; articulate, concise, and precise communication ability
  • Bachelor's degree in a technical field from an accredited college/university or equivalent experience
  • Familiarity and/or real-world experience using Forescout to design, implement and deploy enterprise level solutions on the platform.
  • Familiarity with the use and application of enterprise level Data Loss Prevention (DLP) platforms to monitor, detect and prevent unauthorized data usage or movement across systems and networks.
  • Experience with Windows Servers and Linux variants (RedHat/CentOS/Ubuntu)
  • Experience with at least one of the following: Syslog (rsyslog, syslog-ng, etc), Event log collection, scripting (Python, Perl, Bash, PowerShell), and/or VMWare
  • Familiar with the use and application of an enterprise level SIEM for analysis and data collection.
  • Familiar with the use and application of FireEye or other enterprise level network malware detection platforms.
  • Familiar with multi-tiered network applications, common ports, and protocols used in those communications.
  • Ability to perform online research and comprehend attack signatures while comparing them to network traffic to perform a proper analysis of detections
  • Strong analytical and organizational skills
  • Familiarity or real-world experience with web application firewall (WAF) technology.
  • Familiarity or real-world experience with intrusion detection and prevention (IDPS) technology.
  • Thorough understanding and knowledge of TCP/IP networking
  • Experience in translating daily Cyber Ops activities into standard operating procedures (SOPs) and maintaining accurate records for compliance and future reference.
  • Using artificial intelligence (AI) in producing business and security solutions

Desired

  • CISSP-ISSEP, CISSP-ISSAP, GCFW, GSEC, Splunk, or other certifications preferred
  • Understanding and experience with virtualization technologies (VMWare) a plus
  • Familiarity with implementing DISA STIGs and CIS Benchmarks preferred

Location

  • This is a remote role (DMV area office available)

About Quantum Sky

Compensation

  • Compensation is unique to each candidate and relative to the skills and experience they bring to the position. The salary range for this position is typically between $130,000-$140,000. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range.

Benefits

  • Highlights of our benefits include Health/Dental/Vision, 401(k) match, Paid Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and parental leave.

The world the mission operates in is going post-quantum, contested, and machine-speed. Quantum Sky engineers the advantage across cyber, networks, software, and quantum because the mission demands dominance, not parity. We don't follow the map. We draw it.

At Quantum Sky, we believe that success starts with our people. We foster a collaborative, innovative, and mission-driven environment where every team member plays a critical role in shaping the future of technology. Are you ready to join #TeamQuantumSky?

Quantum Sky Engineering LLC is an Equal Opportunity Employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, [sexual orientation, gender identity,] national origin, disability, status as a protected veteran, or any characteristic protected by applicable law.

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This listing comes from Quantum Sky's own careers site. Apply links go to the employer. Company facts are from Quantum Sky's public profile. Last checked 14 Nov 2026.