I'm going to provide tips and highlight key considerations in this job listing that are crucial to grasp for successful applications.

Tips for applying:

1. CV restructuring: Highlight any direct experience in the security industry. Special attention should be on any supervisory roles.
2. Relevant skills: Emphasize your skills in supervising and managing people, with particular examples, it could make you stand out.
3. Driver's license & motorbike experience: Mention these clearly in your CV, it's one of the key requirements.
4. Age specification: Indicate your age in the CV. While it may not be conventional, it's a stated requirement for this job.
5. Application via email: Ensure you send your CV to the stated email address correctly and check the application deadline(9 December 2023).

Areas to note:

1. Exact application deadline: 9 December 2023.
2. How to apply: Application is strictly via email to [email protected].
3. Age requirement: Applicants must be 30 years and above.
4. Driving and motorcycle experience: These are mandatory, consider these when checking your suitability for the job.
5. Presence of job vacancies in Zimbabwe: The listing specifies two locations - Chiredzi and Zvishavane. Be sure you're willing to work there.

Making your application stand out:

1. Personalized cover letter: Make a compelling case for why you're a fit and how the role aligns with your career trajectory.
2. References: Good references from past supervisors can give you an edge.
3. Additional qualifications: Any certification or courses related to security management can make your application standout.

Things a novice applicant may miss:

1. Email for application: It's not a web portal but an email, make sure your application is appropriately titled.
2. Experienced candidates requested: Seasec is open mainly to candidates with industry experience, do not overlook this.
3. Job locations - Chiredzi and Zvishavane: Be clear on the location and your openness to work there.

In my experience, leveraging on recruitment agencies in Zimbabwe for additional assistance could be beneficial. Remember, in jobs in Zimbabwe or across Africa, demonstrating that you've thoroughly read and understood the job descriptions can increase your chances of landing an interview. Over time, I've noticed that these small tips can make the difference between an application ignored, and one that secures an interview when looking for job vacancies in Zimbabwe. The employment opportunities in Zimbabwe may seem scarce, but paying attention to details can go a long way.