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Security Engineer, Senior Principal

Company: Chenega Corporation
Location: Arlington
Posted on: May 29, 2024

Job Description:

Req ID: 30857


Security Engineer, Senior Principal

Arlington, VA

Chenega IT Enterprise Services (CITES) offers forward-thinking technology solutions to federal agencies and the DoD. Formed in 2016 to serve federal customers CONUS, CITES has grown quickly into a best practices leader for the modern federal enterprise.

Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the next level!

The Security Engineer, Senior Principal will perform the tasks in coordination with government personnel to provide the support services and solutions necessary to analyze, assess, integrate, enhance, improve, modernize, implement, test, sustain, and maintain the security posture and capabilities.


Participate in the system, network, and security requirements development and documentation processes.

Provide support of cybersecurity network domain Certification and Accreditation (C&A) support and execution activities.

Perform the necessary efforts to analyze, assess, evaluate, integrate, improve, implement, test, sustain, and maintain the cybersecurity posture and capabilities required by the network domain operations compliance requirements.

Develop and prepare the required security control documents or artifacts and conduct security control assessments, tests, and evaluations required by the respective network authorities and C&A processes.

Perform all necessary cyber domain activities to ensure the baselines follow the respective network domain-mandated standards and authorization to connect requirements.

Develop and document security design artifacts and the associated security controls that meet the security acceptance criteria and package the accreditation and authorization documents in support of each domain Certification and Accreditation process.

Prepare and document the risk mitigations and maintain and update the Plan of Action and Milestones (POA&M) as required by the network domain Authorizing Official (AO).

Perform technical vulnerability scanning, secure configuration assessments, and penetration testing, analyze the scan results, recommend action plans, and update the POA&M accordingly.

Support Assessment and Authorization (A&A) and cybersecurity Compliance and Auditing processes and inspections for all enterprise systems and networks; ensure validity and accuracy review of all associated documentation.

Perform compliance reviews of computer security plans, perform risk assessments, and validate and perform security test evaluations and audits.

Analyze and define security requirements for information protection for enterprise systems and networks.

Assist in the development of security policies.

Analyze the sensitivity of the information and perform vulnerability and risk assessments based on defined sensitivity and information flow.

Other duties as assigned.


BA/BS degree required

10+ years of experience

Experience, including implementation of attribute-based security classification services within network environments or similar certified (i.e., Sentris or similar experience), with PL3 experience.

Certifications: Meet DoD 8140 & 8570 as required

Top Secret clearance required with the ability to obtain an SCI clearance.

Knowledge, Skills and Abilities:

Lead Systems Engineer experience, including implementation of attribute-based security classification services within network environments or similar certified (i.e., Sentris or similar experience), with PL3 experience.

Excellent written and verbal communication and customer service skills.

Ability to work independently and as a team member.

Ability to handle a large, complex workload, effectively coordinate multiple resources, and multi-task in a fast-paced environment.

Knowledge and skill in applying analytical and evaluation methods and techniques.

Ability to handle controversial situations.

How you'll grow

At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their careers to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there's always room to learn.

We offer opportunities to help sharpen skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their careers.


At Chenega MIOS, we know that great people make a great organization. We value our team members and offer them a broad range of benefits.

Learn more about what working at Chenega MIOS can mean for you.

Chenega MIOS's culture

Our positive and supportive culture encourages our team members to do their best work every day. We celebrate individuals by recognizing their uniqueness and offering them the flexibility to make daily choices that can help them be healthy, centered, confident, and aware. We offer well-being programs and continuously look for new ways to maintain a culture where we excel and lead healthy, happy lives.

Corporate citizenship

Chenega MIOS is led by a purpose to make an impact that matters. This purpose defines who we are and extends to relationships with our clients, our team members, and our communities. We believe that business has the power to inspire and transform. We focus on education, giving, skill-based volunteerism, and leadership to help drive positive social impact in our communities.

Learn more about Chenega's impact on the world.

Chenega MIOS News-

Tips from your Talent Acquisition Team

We want job seekers exploring opportunities at Chenega MIOS to feel prepared and confident. To help you with your research, we suggest you review the following links:

Chenega MIOS web site -

Glassdoor -,23.htm

LinkedIn -

Facebook -

#Chenega IT Enterprise Services, LLC

Chenega Corporation and family of companies is an EOE.

Equal Opportunity Employer/Veterans/Disabled

Native preference under PL 93-638.

We participate in the E-Verify Employment Verification Program

Keywords: Chenega Corporation, Arlington , Security Engineer, Senior Principal, Engineering , Arlington, Virginia

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