Security Engineer - Senior

Accenture Federal Services

On-siteChantilly, VA$88k–178k/yr

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Security Engineer - Senior at Accenture Federal Services, Chantilly, VA (On-site). Pay posted by the employer: $88k–178k/yr. Posted Oct 13, 2026, last seen on the employer's hiring page Nov 6, 2026. Mentioned in the posting: Clearance required, NIST, CISSP, CISM, Security+, CCSP, GIAC, AWS.

Clearance requiredNISTCISSPCISMSecurity+CCSPGIACAWSAzureGCP

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense...

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At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations.

Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to Work, we offer a collaborative and caring community where you feel like you belong and are empowered to grow, learn and thrive through hands-on experience, certifications, industry training and more.

Join us to drive positive, lasting change that moves missions and the government forward!

Who you'll be:

We are seeking a Senior Security Engineer to secure enterprise applications, cloud environments, and critical infrastructure. This role involves advancing the organization's security posture through proactive monitoring, threat detection, incident response, and continuous improvement initiatives. The ideal candidate will lead security engineering efforts across multiple systems, design and implement security controls, support cloud-based platforms, and provide technical mentorship while ensuring compliance with security policies and organizational cybersecurity requirements.

What you'll do:

Secure applications, cloud platforms, networks, and enterprise infrastructure.
Lead incident response, cyber resiliency, vulnerability management, and threat detection efforts.
Design and implement security controls and support cloud-based platforms such as AWS, Azure, or Google Cloud.
Utilize security monitoring, logging, SIEM, and alerting tools effectively.
Develop security policies, procedures, and technical documentation.
Provide technical mentorship and ensure alignment with defense-in-depth principles and security policies.
Engage in multi-model and multi-modality orchestration, including advanced AI implementations and data architecture.
Manage enterprise infrastructure and cross-domain solutions, including air-gapped and hybrid environments.
Develop and integrate applications with modern programming languages and frameworks.

What you need:

US Citizen with a Top Secret Clearance
Bachelor's degree required.
Minimum 8 years of experience in securing applications, cloud platforms, networks, and enterprise infrastructure.
Experience with cloud technologies such as AWS, Azure, or Google Cloud.
Proficiency with security monitoring, logging, SIEM, and alerting tools.
Strong understanding of network security, encryption, authentication, and access control technologies.
Experience developing security policies, procedures, and technical documentation.
Strong analytical, troubleshooting, and communication skills.
Experience with in-house custom-developed applications and advanced AI, GenAI, and multi-model engineering.
Data architecture expertise, including vector, graph, and multi-database orchestration.
Experience with air-gapped, hybrid, and on-premise operational environments.
Application development and integration knowledge, utilizing TypeScript, React, Python, FastAPI, and more.

Nice to have:

Master's degree in Cybersecurity, Information Assurance, or related field.
CISSP, Security+, CCSP, CISM, GIAC, AWS Security Specialty, Azure Security Engineer, or similar certifications.
Experience supporting government, defense, intelligence, or highly regulated environments.
Knowledge of Zero Trust Architecture, NIST frameworks, RMF, and compliance requirements.
Experience with DevSecOps, container security, and Infrastructure as Code (IaC) security practices.
Experience managing COMSEC resources or cryptographic key management systems.
Familiarity with security automation, SOAR platforms, and advanced threat hunting techniques.

As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Connecticut, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Ohio, Vermont, Virginia, Washington, and the District of Columbia. The base pay range for this position in these locations is shown below. Compensation for roles at Accenture Federal Services varies depending on a wide array of factors, including but not limited to office location, role, skill set, and level of experience. Accenture Federal Services offers a wide variety of benefits. You can find more information on benefits here. We accept applications on an on-going basis and there is no fixed deadline to apply.

The pay range for the states of California, Colorado, Connecticut, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Ohio, Vermont, Virginia, Washington, and the District of Columbia is:

$88,100—$178,200 USD

What We Believe

As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. We have an unwavering commitment to creating a culture in which all our people are respected, feel a sense of belonging, and have equal opportunity. As a business imperative, every person at Accenture Federal Services has the responsibility to create and sustain a culture where everyone feels welcomed and included. This is grounded in our core values and our experience that hiring and developing great people who reflect different perspectives, experiences, and backgrounds is key to driving innovation and delivering the results that our clients and the country count on.

Equal Employment Opportunity Statement

We believe that no one should be discriminated against because of their differences. All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law. Our rich diversity makes us more innovative, more competitive, and more creative, which helps us better serve our clients and our communities. For details, view a copy of the Accenture Federal Services Equal Opportunity Policy Statement.

Accenture Federal Services is an Equal Employment Opportunity employer. Additionally, as an Affirmative Action Employer for Veterans and Individuals with Disabilities, Accenture Federal Services is committed to providing veteran employment opportunities to our service men and women.

Requesting An Accommodation

Accenture Federal Services is committed to providing equal employment opportunities for persons with disabilities or religious observances, including reasonable accommodation when needed. If you are hired by Accenture Federal Services and require accommodation to perform the essential functions of your role, you will be asked to participate in our reasonable accommodation process. Accommodations made to facilitate the recruiting process are not a guarantee of future or continued accommodations once hired.

If you are being considered for employment opportunities with Accenture Federal Services and need an accommodation for a disability or religious observance during the interview process or for the job you are interviewing for, please speak with your recruiter.

Other Employment Statements

Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States.

Candidates who are currently employed by a client of Accenture Federal Services or an affiliated Accenture business may not be eligible for consideration.

Job candidates will not be obligated to disclose sealed or expunged records of conviction or arrest as part of the hiring process.

The Company will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. Additionally, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the Company's legal duty to furnish information.

California requires additional notifications for applicants and employees. If you are a California resident, live in or plan to work from Los Angeles County upon being hired for this position, please click here for additional important information.

Read the full description on Accenture Federal Services's site

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