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Cybersec Jobs in Silver Spring, MD (NOW HIRING)

VTG

Penetration Tester

Chantilly, VA · On-site

$150K - $195K/yr

DoD 8140 - CSSP Incident Responder certification: • CyberSec First Responder (CFR) • Cisco Cert. Network Assoc. CyberOps (CCNA CyberOps) • CompTIA Pen Test+ • CompTIA Cybersecurity Analyst ...

VTG

Penetration Tester

Chantilly, VA · On-site

$150K - $195K/yr

DoD 8140 - CSSP Incident Responder certification: • CyberSec First Responder (CFR) • Cisco Cert. Network Assoc. CyberOps (CCNA CyberOps) • CompTIA Pen Test+ • CompTIA Cybersecurity Analyst ...

Nwis

Senior Software Engineer

Annapolis Junction, MD · On-site

$99K - $206K/yr

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our ...

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Cybersec information

What is the difference between Cybersec vs Network Security Specialist?

AspectCybersecNetwork Security Specialist
CertificationsCompTIA Security+, CISSP, CEHCompTIA Security+, Cisco CCNA Security
Work EnvironmentOrganizations' security teams, cybersecurity firmsIT departments, network teams in various industries
Industry UsageBroad cybersecurity roles including threat analysis, incident responseFocus on securing network infrastructure and protocols

Cybersecurity (Cybersec) professionals have a broader scope, including threat detection and incident response, while Network Security Specialists focus specifically on protecting network infrastructure. Both roles often require similar certifications and work in overlapping environments, but their primary responsibilities differ in scope and focus.

What are the key skills and qualifications needed to thrive as a cybersecurity specialist?

To thrive as a Cybersecurity Specialist, you need a strong understanding of network security, risk assessment, and threat mitigation, often supported by a degree in IT or computer science and relevant certifications. Familiarity with tools like firewalls, intrusion detection systems, SIEM platforms, and certifications such as CISSP, CEH, or CompTIA Security+ is highly valued. Attention to detail, analytical thinking, and effective communication are essential soft skills for anticipating threats and collaborating with teams. These skills and qualifications are crucial for protecting organizational assets and ensuring the integrity, confidentiality, and availability of data.

What are some common challenges faced by professionals in cybersecurity roles, and how can they be managed?

Cybersecurity professionals often contend with rapidly evolving threats and the pressure to protect sensitive data in real time. Staying updated with the latest security trends and attack vectors is crucial, which can be challenging due to the fast-paced nature of the field. Additionally, balancing proactive security measures with user accessibility and business operations requires strong communication and collaboration with other departments. Building a habit of continuous learning and participating in cross-functional teams can help manage these challenges and contribute to both individual and organizational success.

What is a cybersecurity professional?

Cyber security professionals, often called 'cybersec' specialists, are experts who protect computer systems, networks, and data from unauthorized access, attacks, and damage. Their responsibilities include monitoring for potential threats, securing sensitive information, and responding to security breaches. They work across various industries to ensure the confidentiality, integrity, and availability of digital assets. Their roles can range from analyzing vulnerabilities to implementing security protocols and educating users about safe online practices.
What job categories do people searching Cybersec jobs in Silver Spring, MD look for? The top searched job categories for Cybersec jobs in Silver Spring, MD are:
What cities near Silver Spring, MD are hiring for Cybersec jobs? Cities near Silver Spring, MD with the most Cybersec job openings:
Cybersec jobs near you
Infographic showing various Cybersec job openings in Silver Spring, MD as of August 2026, with employment types broken down into 86% Full Time, and 14% Part Time. Highlights an 90% In-person, and 10% Remote job distribution.

Senior Information System Security Officer (ISSO)

Science Applications International Corporation

Washington, DC • On-site

Full-time

Re-posted 17 days ago

SAIC rating

7.9

Company rating: 7.9 out of 10

Based on 79 frontline employees who took The Breakroom Quiz

76th of 221 rated it services

Job description


SAIC is seeking a Senior Information System Security Officer (ISSO) to support a critical U.S. government agency in the National Capital Region. This role reports to the Security Program Management Office (SPMO) Manager and works directly with the Lead ISSO to support authorization, compliance, continuous monitoring, and risk management activities across assigned systems.
This is an excellent opportunity for an experienced cybersecurity professional to contribute to the secure authorization and ongoing compliance of systems across both on-premise and cloud environments. The Senior ISSO will collaborate with federal ISSOs, system owners, engineers, and governance teams to maintain the confidentiality, integrity, and availability of government systems while supporting day-to-day Governance, Risk, and Compliance (GRC) operations.
ONSITE 3 days a week / 2 days remote
Responsibilities:
  • Support system security authorization and continuous monitoring activities for assigned systems.
  • Develop, implement, review, and maintain IT security controls in accordance with NIST SP 800-53, RMF, and agency security policies.
  • Support the preparation, review, and submission of Security Authorization packages, including SSPs, SARs, POA&Ms, SIAs, and related authorization artifacts.
  • Coordinate and prepare systems for Security Control Assessments (SCAs), ensuring documentation, evidence, and artifacts are accurate and complete.
  • Conduct and document Security Impact Analyses (SIAs) for changes to hardware, software, cloud infrastructure, or connectivity.
  • Participate in configuration and change control processes to ensure secure baselines are maintained and accurately reflected in system documentation.
  • Assist in system categorization activities and validation of asset inventories to ensure appropriate control baselines are applied.
  • Assess security control implementation effectiveness and identify deficiencies requiring remediation or risk acceptance.
  • Support Risk Acceptance activities, POA&M tracking, remediation coordination, and audit response efforts.
  • Support continuous monitoring activities by reviewing system changes, compliance evidence, and authorization-related activities to maintain ongoing compliance.
  • Coordinate with system owners, engineers, and security stakeholders to support remediation and compliance activities.
  • Participate in governance activities including standards reviews, exception handling, control updates, and policy compliance activities.
  • Contribute to development and maintenance of security policies, procedures, technical documentation, status reports, dashboards, and risk briefings.
  • Support maintenance of reporting artifacts, compliance metrics, workflow tracking, and collaboration sites using SharePoint, PowerBI, and related tools.
  • Support the Lead ISSO in execution of operational, compliance, and stakeholder coordination activities.
  • Ensure assigned activities align with NIST RMF, NIST SP 800-53, FISMA, and agency cybersecurity requirements.

Qualifications
Requirements:
  • Bachelor's degree and 5+ years of experience in cybersecurity, RMF, compliance, ISSO, or systems security engineering roles, or Master's degree with 3+ years of experience.
  • Ability to obtain and maintain a public trust requiring U.S. Citizenship or Green Card.
  • Hands-on experience supporting or implementing security controls in enterprise or federal IT environments.
  • Experience supporting authorization activities including SSP development, POA&M management, SIAs, continuous monitoring, and assessment support.
  • Working knowledge of NIST RMF, NIST SP 800-53, FISMA, and federal cybersecurity policies and processes.
  • Familiarity with cloud and hybrid environments including AWS, Azure, or GCP.
  • Familiarity with enterprise technologies such as Microsoft 365, Azure AD, Cisco, and Oracle environments.
  • Working knowledge of network and system security concepts including encryption, secure baselining, identity management, and OS hardening.
  • Experience supporting Security Control Assessments (SCAs), audits, or compliance reviews.
  • Experience with GRC and SA&A tools such as Archer, eMASS, JCAM/CSAM, Xacta, or similar platforms.
  • Familiarity with SharePoint and PowerBI for documentation management, reporting, workflow tracking, and metrics activities.
  • Strong documentation, analytical, organizational, and communication skills, including the ability to communicate technical issues to non-technical stakeholders.
  • Ability to work independently and manage assigned tasks with limited oversight.
  • Proficient in Microsoft Office (Word, Excel, PowerPoint, SharePoint).

Preferred Qualifications:
  • Security+, CAP, CISSP, CISM, or similar cybersecurity certification.
  • Experience supporting federal systems, ATO processes, or government compliance programs.
  • Familiarity with FedRAMP, federal privacy requirements, or cloud compliance activities.
  • Knowledge of OWASP Top 10, application security concepts, or modern cybersecurity best practices.
  • Understanding of adversary TTPs and frameworks such as MITRE ATT&CK.
  • Experience operating in fast-paced, high-visibility environments with competing priorities.

About Us
SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.
We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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